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Our Team - Our World in Data
<!doctype html><html lang="en" class="js-disabled"><head><meta name="viewport" content="width=device-width, initial-scale=1, minimum-scale=1"/><title>Our Team - Our World in Data</title><meta name="description" content="Our current and past team members."/><link rel="canonical" href="https://ourworldindata.org/team"/><link rel="alternate" type="application/atom+xml" href="/atom.xml" title="Atom feed for Our World in Data"/><link rel="apple-touch-icon" sizes="180x180" href="/apple-touch-icon.png"/><link rel="preload" href="/fonts/LatoLatin-Regular.woff2" as="font" type="font/woff2" crossorigin="anonymous"/><meta property="fb:app_id" content="1149943818390250"/><meta property="og:url" content="https://ourworldindata.org/team"/><meta property="og:title" content="Our Team"/><meta property="og:description" content="Our current and past team members."/><meta property="og:image" content="https://ourworldindata.org/default-thumbnail.png"/><meta property="og:site_name" content="Our World in Data"/><meta name="twitter:card" content="summary_large_image"/><meta name="twitter:site" content="@OurWorldInData"/><meta name="twitter:creator" content="@OurWorldInData"/><meta name="twitter:title" content="Our Team"/><meta name="twitter:description" content="Our current and past team members."/><meta name="twitter:image" content="https://ourworldindata.org/default-thumbnail.png"/><link rel="modulepreload" href="/assets/owid.mjs"/><link rel="preload" href="https://cdnjs.cloudflare.com/polyfill/v3/polyfill.min.js?version=4.8.0&features=es2021,es2022,es2023,IntersectionObserver,IntersectionObserverEntry" as="script" data-cloudflare-disable-early-hints="true"/><link rel="preload" href="/assets/owid.css" as="style"/><link rel="stylesheet" href="/assets/owid.css"/><meta name="citation_title" content="Our Team"/><meta name="citation_fulltext_html_url" content="https://ourworldindata.org/team"/><meta name="citation_fulltext_world_readable" content=""/><meta name="citation_publication_date" content="2024/12/19"/><meta name="citation_journal_title" content="Our World in Data"/><meta name="citation_journal_abbrev" content="Our World in Data"/><meta name="citation_author" content="Our World in Data team"/><script>window._OWID_GDOC_PROPS = {"slug":"team","published":true,"createdAt":"2024-12-19T16:48:36.000Z","publishedAt":"2024-12-19T16:50:00.000Z","updatedAt":"2025-04-02T13:32:38.000Z","revisionId":"ALBJ4LtW8Fx2jtdqwN2YLxnPx9PFp5WJJzAgTU19Uv-us7Nlwpa6yYD79JZGeW9JUF7KY_SIi9NGykPr1cukbg","markdown":null,"publicationContext":"unlisted","breadcrumbs":null,"manualBreadcrumbs":null,"tags":[],"errors":[{"property":"linkedAuthors","message":"Author \"Our World in Data team\" does not exist or is not published","type":"warning"},{"property":"imageMetadata","message":"AngelaWenham.jpg is missing a default alt text","type":"warning"},{"property":"imageMetadata","message":"Hannah_Ritchie-e1540908190161.jpg is missing a default alt text","type":"warning"},{"property":"imageMetadata","message":"DanielBachler.jpg is missing a default alt text","type":"warning"},{"property":"imageMetadata","message":"lucas-2024.jpg is missing a default alt text","type":"warning"},{"property":"imageMetadata","message":"VeronikaSamborska.png is missing a default alt text","type":"warning"},{"property":"imageMetadata","message":"fiona_pic-e1622645364561.jpeg is missing a default alt text","type":"warning"},{"property":"imageMetadata","message":"MojmirVinkler.jpg is missing a default alt text","type":"warning"},{"property":"imageMetadata","message":"Marwa.jpg is missing a default alt text","type":"warning"},{"property":"imageMetadata","message":"Marcel.jpg is missing a default alt text","type":"warning"},{"property":"imageMetadata","message":"Bobbie.jpg is missing a default alt text","type":"warning"},{"property":"imageMetadata","message":"SophiaMersmann.jpg is missing a default alt text","type":"warning"},{"property":"imageMetadata","message":"MartinRacak.jpg is missing a default alt text","type":"warning"},{"property":"imageMetadata","message":"ike-saunders-headshot.png is missing a default alt text","type":"warning"},{"property":"imageMetadata","message":"antoinette_team_page.jpeg is missing a default alt text","type":"warning"},{"property":"imageMetadata","message":"dr-hassan-masum.png is missing a default alt text","type":"warning"},{"property":"imageMetadata","message":"Natalie.png is missing a default alt text","type":"warning"},{"property":"imageMetadata","message":"Valerie-headshot-e1656491769502.jpg is missing a default alt text","type":"warning"}],"donors":["A Burrows","A Francois","A Neves","A.W. 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class="about-page centered-article-container grid grid-cols-12-full-width"><h1 class="about-header col-start-2 col-end-limit display-2-semibold">About</h1><nav class="about-nav grid grid-cols-12-full-width col-start-1 col-end-limit"><ul class="about-nav-list col-start-2 col-end-14 col-sm-start-1"><li><a class="about-nav-link" href="/about">About Us</a></li><li><a class="about-nav-link" href="/organization">Organization</a></li><li><a class="about-nav-link" href="/funding">Funding</a></li><li><a class="about-nav-link about-nav-link--is-active" href="/team" aria-current="page">Team</a></li><li><a class="about-nav-link" href="/jobs">Jobs</a></li><li><a class="about-nav-link" href="/faqs">FAQs</a></li></ul></nav><div class="about-body grid grid-cols-12-full-width col-start-1 col-end-limit"><div class="people people-cols-2 grid-cols-2 grid-md-cols-1 article-block__people-rows grid col-start-2 span-cols-12"><div class="person"><div class="person-image-container"><a href="https://ourworldindata.org/team/max-roser" class="person-image--link-wrapper"><div class="image person-image"><picture><source srcSet="https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/e3df0b0d-afb5-41cd-9d46-00d22e871d00/w=48 48w, https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/e3df0b0d-afb5-41cd-9d46-00d22e871d00/w=100 100w, https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/e3df0b0d-afb5-41cd-9d46-00d22e871d00/w=350 350w, https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/e3df0b0d-afb5-41cd-9d46-00d22e871d00/w=850 850w, https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/e3df0b0d-afb5-41cd-9d46-00d22e871d00/w=1350 1350w, https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/e3df0b0d-afb5-41cd-9d46-00d22e871d00/w=1416 1416w" type="image/png" sizes="(max-width: 960px) 95vw, (min-width: 960px) 213px"/><img src="https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/e3df0b0d-afb5-41cd-9d46-00d22e871d00/w=1416" alt="Portrait of Max Roser" class="" loading="lazy" data-filename="Max Roser.jpeg" width="1416" height="1416"/></picture></div></a></div><div><div class="person-header"><a href="https://ourworldindata.org/team/max-roser"><h3 class="person-heading">Professor Max Roser</h3></a><span class="person-title">Founder and Executive Co-Director</span></div><p class="article-block__text col-start-5 span-cols-6 col-md-start-3 span-md-cols-10 span-sm-cols-12 col-sm-start-2"><span>Max is the founder of Our World in Data and began working on this free online publication in 2011. Today, he serves as the publication’s editor and leads the team as its co-director. He is the Professor of Practice in Global Data Analytics at the University of Oxford’s Blavatnik School of Government, the Programme Director of the </span><a href="https://www.oxfordmartin.ox.ac.uk/global-development/" class="span-link" target="_blank" rel="noopener"><span>Oxford Martin Programme on Global Development</span></a><span>, and the Executive Co-Director of </span><a href="https://global-change-data-lab.org/" class="span-link" target="_blank" rel="noopener"><span>Global Change Data Lab</span></a><span>, the non-profit organization that publishes Our World in Data.</span></p><p class="article-block__text col-start-5 span-cols-6 col-md-start-3 span-md-cols-10 span-sm-cols-12 col-sm-start-2"><em><span>For inquiries, please get in touch with Max’s Executive Assistant, Angela Wenham, at </span></em><em><a href="mailto:angela@ourworldindata.org" class="span-link" target="_blank" rel="noopener"><span>angela@ourworldindata.org</span></a></em><em><span>.</span></em></p><div 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10.8c-7.1-25.8-17.8-47.8-32.2-65.4c-29.2-35.8-73-54.2-130.5-54.6c-57 .5-100.1 18.8-128.2 54.4C72.1 146.1 58.5 194.3 58 256c.5 61.7 14.1 109.9 40.3 143.3c28 35.6 71.2 53.9 128.2 54.4c51.4-.4 85.4-12.6 113.7-40.9c32.3-32.2 31.7-71.8 21.4-95.9c-6.1-14.2-17.1-26-31.9-34.9c-3.7 26.9-11.8 48.3-24.7 64.8c-17.1 21.8-41.4 33.6-72.7 35.3c-23.6 1.3-46.3-4.4-63.9-16c-20.8-13.8-33-34.8-34.3-59.3c-2.5-48.3 35.7-83 95.2-86.4c21.1-1.2 40.9-.3 59.2 2.8c-2.4-14.8-7.3-26.6-14.6-35.2c-10-11.7-25.6-17.7-46.2-17.8H227c-16.6 0-39 4.6-53.3 26.3l-34.4-23.6c19.2-29.1 50.3-45.1 87.8-45.1h.8c62.6 .4 99.9 39.5 103.7 107.7l-.2 .2zm-156 68.8c1.3 25.1 28.4 36.8 54.6 35.3c25.6-1.4 54.6-11.4 59.5-73.2c-13.2-2.9-27.8-4.4-43.4-4.4c-4.8 0-9.6 .1-14.4 .4c-42.9 2.4-57.2 23.2-56.2 41.8l-.1 .1z"></path></svg><a href="https://www.threads.net/@max.roser.ox" target="_blank" rel="noopener">@max.roser.ox</a></li></ul></div></div></div><div class="person"><div class="person-image-container"><div class="image person-image"><picture><source srcSet="https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/f8e22c3c-f652-4ef0-8979-1edc34fd2c00/w=48 48w, https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/f8e22c3c-f652-4ef0-8979-1edc34fd2c00/w=100 100w, https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/f8e22c3c-f652-4ef0-8979-1edc34fd2c00/w=350 350w, https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/f8e22c3c-f652-4ef0-8979-1edc34fd2c00/w=386 386w" type="image/png" sizes="(max-width: 960px) 95vw, (min-width: 960px) 213px"/><img src="https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/f8e22c3c-f652-4ef0-8979-1edc34fd2c00/w=386" class="" loading="lazy" data-filename="AngelaWenham.jpg" width="386" height="386"/></picture></div></div><div><div class="person-header"><h3 class="person-heading">Angela Wenham</h3><span class="person-title">Executive Assistant to Prof. Max Roser</span></div><p class="article-block__text col-start-5 span-cols-6 col-md-start-3 span-md-cols-10 span-sm-cols-12 col-sm-start-2"><span>Angela joined us in 2024 as Max Roser’s executive assistant. Her background is in Project Management and she holds an MSc in Psychology from Oxford Brookes University.</span></p><div class="person-socials"><ul><li class="article-block__social-link social-link"><svg aria-hidden="true" focusable="false" data-prefix="fas" data-icon="envelope" class="svg-inline--fa fa-envelope " role="img" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512"><path fill="currentColor" d="M48 64C21.5 64 0 85.5 0 112c0 15.1 7.1 29.3 19.2 38.4L236.8 313.6c11.4 8.5 27 8.5 38.4 0L492.8 150.4c12.1-9.1 19.2-23.3 19.2-38.4c0-26.5-21.5-48-48-48L48 64zM0 176L0 384c0 35.3 28.7 64 64 64l384 0c35.3 0 64-28.7 64-64l0-208L294.4 339.2c-22.8 17.1-54 17.1-76.8 0L0 176z"></path></svg><a href="mailto:angela@ourworldindata.org" target="_blank" rel="noopener">angela@ourworldindata.org</a></li></ul></div></div></div><div class="person"><div class="person-image-container"><a href="https://ourworldindata.org/team/esteban-ortiz-ospina" class="person-image--link-wrapper"><div class="image person-image"><picture><source srcSet="https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/ec764b0d-b95f-4046-528c-fa360b3b7100/w=48 48w, https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/ec764b0d-b95f-4046-528c-fa360b3b7100/w=100 100w, https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/ec764b0d-b95f-4046-528c-fa360b3b7100/w=350 350w, https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/ec764b0d-b95f-4046-528c-fa360b3b7100/w=386 386w" type="image/png" sizes="(max-width: 960px) 95vw, (min-width: 960px) 213px"/><img src="https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/ec764b0d-b95f-4046-528c-fa360b3b7100/w=386" alt="Profile picture of Esteban Ortiz-Ospina" class="" loading="lazy" data-filename="Este.jpg" width="386" height="386"/></picture></div></a></div><div><div class="person-header"><a href="https://ourworldindata.org/team/esteban-ortiz-ospina"><h3 class="person-heading">Dr. Esteban Ortiz-Ospina</h3></a><span class="person-title">Executive Co-Director</span></div><p class="article-block__text col-start-5 span-cols-6 col-md-start-3 span-md-cols-10 span-sm-cols-12 col-sm-start-2"><span>Esteban is the Executive Co-Director of Our World in Data alongside Max Roser. In tandem, they lead </span><a href="https://global-change-data-lab.org/" class="span-link" target="_blank" rel="noopener"><span>Global Change Data Lab</span></a><span>, the non-profit organization responsible for publishing Our World in Data. Esteban is also an Honorary Researcher at the </span><a href="https://www.oxfordmartin.ox.ac.uk/people/dr-esteban-ortiz-ospina/" class="span-link" target="_blank" rel="noopener"><span>Oxford Martin Programme on Global Development</span></a><span>, where his research and writing cover topics including economic development, public sector analysis, education, and a wide range of related issues. Prior to joining the team at Our World in Data, Esteban was a Departmental Lecturer in Economics at the University of Oxford’s </span><a href="https://www.bsg.ox.ac.uk/people/esteban-ortiz-ospina" class="span-link" target="_blank" rel="noopener"><span>Blavatnik School of Government</span></a><span>, from 2013 to January 2016. Esteban completed his doctoral studies at the University of Oxford (DPhil Economics).</span></p><div class="person-socials"><ul><li class="article-block__social-link social-link"><svg aria-hidden="true" focusable="false" data-prefix="fab" data-icon="x-twitter" class="svg-inline--fa fa-x-twitter " role="img" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512"><path fill="currentColor" d="M389.2 48h70.6L305.6 224.2 487 464H345L233.7 318.6 106.5 464H35.8L200.7 275.5 26.8 48H172.4L272.9 180.9 389.2 48zM364.4 421.8h39.1L151.1 88h-42L364.4 421.8z"></path></svg><a href="https://x.com/eortizospina" target="_blank" rel="noopener">@eortizospina</a></li><li class="article-block__social-link social-link"><svg aria-hidden="true" focusable="false" data-prefix="fab" data-icon="mastodon" class="svg-inline--fa fa-mastodon " role="img" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 448 512"><path fill="currentColor" d="M433 179.11c0-97.2-63.71-125.7-63.71-125.7-62.52-28.7-228.56-28.4-290.48 0 0 0-63.72 28.5-63.72 125.7 0 115.7-6.6 259.4 105.63 289.1 40.51 10.7 75.32 13 103.33 11.4 50.81-2.8 79.32-18.1 79.32-18.1l-1.7-36.9s-36.31 11.4-77.12 10.1c-40.41-1.4-83-4.4-89.63-54a102.54 102.54 0 0 1-.9-13.9c85.63 20.9 158.65 9.1 178.75 6.7 56.12-6.7 105-41.3 111.23-72.9 9.8-49.8 9-121.5 9-121.5zm-75.12 125.2h-46.63v-114.2c0-49.7-64-51.6-64 6.9v62.5h-46.33V197c0-58.5-64-56.6-64-6.9v114.2H90.19c0-122.1-5.2-147.9 18.41-175 25.9-28.9 79.82-30.8 103.83 6.1l11.6 19.5 11.6-19.5c24.11-37.1 78.12-34.8 103.83-6.1 23.71 27.3 18.4 53 18.4 175z"></path></svg><a href="https://econtwitter.net/@eortizospina" target="_blank" rel="noopener">@eortizospina</a></li><li class="article-block__social-link social-link"><svg aria-hidden="true" focusable="false" data-prefix="fas" data-icon="envelope" class="svg-inline--fa fa-envelope " role="img" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512"><path fill="currentColor" d="M48 64C21.5 64 0 85.5 0 112c0 15.1 7.1 29.3 19.2 38.4L236.8 313.6c11.4 8.5 27 8.5 38.4 0L492.8 150.4c12.1-9.1 19.2-23.3 19.2-38.4c0-26.5-21.5-48-48-48L48 64zM0 176L0 384c0 35.3 28.7 64 64 64l384 0c35.3 0 64-28.7 64-64l0-208L294.4 339.2c-22.8 17.1-54 17.1-76.8 0L0 176z"></path></svg><a href="mailto:esteban@ourworldindata.org" target="_blank" rel="noopener">esteban@ourworldindata.org</a></li></ul></div></div></div><div class="person"><div class="person-image-container"><a href="https://ourworldindata.org/team/joe-hasell" class="person-image--link-wrapper"><div class="image person-image"><picture><source srcSet="https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/459ea828-646e-431e-d2ff-00da261a3100/w=48 48w, https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/459ea828-646e-431e-d2ff-00da261a3100/w=100 100w, https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/459ea828-646e-431e-d2ff-00da261a3100/w=350 350w, https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/459ea828-646e-431e-d2ff-00da261a3100/w=850 850w, https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/459ea828-646e-431e-d2ff-00da261a3100/w=870 870w" type="image/png" sizes="(max-width: 960px) 95vw, (min-width: 960px) 213px"/><img src="https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/459ea828-646e-431e-d2ff-00da261a3100/w=870" alt="Portrait of Joe Hasell" class="" loading="lazy" data-filename="joe-hasell.jpg" width="870" height="889"/></picture></div></a></div><div><div class="person-header"><a href="https://ourworldindata.org/team/joe-hasell"><h3 class="person-heading">Joe Hasell</h3></a><span class="person-title">Head of Product and Design</span></div><p class="article-block__text col-start-5 span-cols-6 col-md-start-3 span-md-cols-10 span-sm-cols-12 col-sm-start-2"><span>Joe joined us in 2017. As Head of Product and Design, he coordinates efforts to develop tools and layouts that make our research and data more accessible and understandable. He also contributes as a researcher, where his work focuses on global trends in poverty and economic inequality. He is currently working towards a Ph.D. at the University of Oxford.</span></p><div class="person-socials"><ul><li class="article-block__social-link social-link"><svg aria-hidden="true" focusable="false" data-prefix="fas" data-icon="envelope" class="svg-inline--fa fa-envelope " role="img" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512"><path fill="currentColor" d="M48 64C21.5 64 0 85.5 0 112c0 15.1 7.1 29.3 19.2 38.4L236.8 313.6c11.4 8.5 27 8.5 38.4 0L492.8 150.4c12.1-9.1 19.2-23.3 19.2-38.4c0-26.5-21.5-48-48-48L48 64zM0 176L0 384c0 35.3 28.7 64 64 64l384 0c35.3 0 64-28.7 64-64l0-208L294.4 339.2c-22.8 17.1-54 17.1-76.8 0L0 176z"></path></svg><a href="mailto:joe@ourworldindata.org" target="_blank" rel="noopener">joe@ourworldindata.org</a></li><li class="article-block__social-link social-link"><svg aria-hidden="true" focusable="false" data-prefix="fab" data-icon="x-twitter" class="svg-inline--fa fa-x-twitter " role="img" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512"><path fill="currentColor" d="M389.2 48h70.6L305.6 224.2 487 464H345L233.7 318.6 106.5 464H35.8L200.7 275.5 26.8 48H172.4L272.9 180.9 389.2 48zM364.4 421.8h39.1L151.1 88h-42L364.4 421.8z"></path></svg><a href="https://x.com/JoeHasell" target="_blank" rel="noopener">@JoeHasell</a></li></ul></div></div></div><div class="person"><div class="person-image-container"><a href="https://ourworldindata.org/team/edouard-mathieu" class="person-image--link-wrapper"><div class="image person-image"><picture><source srcSet="https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/816b5a89-55a2-4f87-13dd-e937d8b41e00/w=48 48w, https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/816b5a89-55a2-4f87-13dd-e937d8b41e00/w=100 100w, https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/816b5a89-55a2-4f87-13dd-e937d8b41e00/w=350 350w, https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/816b5a89-55a2-4f87-13dd-e937d8b41e00/w=850 850w, https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/816b5a89-55a2-4f87-13dd-e937d8b41e00/w=898 898w" type="image/png" sizes="(max-width: 960px) 95vw, (min-width: 960px) 213px"/><img src="https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/816b5a89-55a2-4f87-13dd-e937d8b41e00/w=898" alt="Edouard Mathieu" class="" loading="lazy" data-filename="porto_edouard_2023-2.png" width="898" height="898"/></picture></div></a></div><div><div class="person-header"><a href="https://ourworldindata.org/team/edouard-mathieu"><h3 class="person-heading">Edouard Mathieu</h3></a><span class="person-title">Head of Data and Research</span></div><p class="article-block__text col-start-5 span-cols-6 col-md-start-3 span-md-cols-10 span-sm-cols-12 col-sm-start-2"><span>Edouard joined us in 2020 as our Head of Data, before becoming Head of Data and Research in 2023. He manages the team of data scientists and researchers who produce our articles and data visualizations. He previously worked as a data scientist at the University of Oxford, in the Population Health and Primary Care Health Sciences departments. He holds a master’s degree from Sciences Po Paris.</span></p><div class="person-socials"><ul><li class="article-block__social-link social-link"><svg aria-hidden="true" focusable="false" data-prefix="fas" data-icon="envelope" class="svg-inline--fa fa-envelope " role="img" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512"><path fill="currentColor" d="M48 64C21.5 64 0 85.5 0 112c0 15.1 7.1 29.3 19.2 38.4L236.8 313.6c11.4 8.5 27 8.5 38.4 0L492.8 150.4c12.1-9.1 19.2-23.3 19.2-38.4c0-26.5-21.5-48-48-48L48 64zM0 176L0 384c0 35.3 28.7 64 64 64l384 0c35.3 0 64-28.7 64-64l0-208L294.4 339.2c-22.8 17.1-54 17.1-76.8 0L0 176z"></path></svg><a href="mailto:edouard@ourworldindata.org" target="_blank" rel="noopener">edouard@ourworldindata.org</a></li><li class="article-block__social-link social-link"><svg aria-hidden="true" focusable="false" data-prefix="fab" data-icon="linkedin" class="svg-inline--fa fa-linkedin " role="img" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 448 512"><path fill="currentColor" d="M416 32H31.9C14.3 32 0 46.5 0 64.3v383.4C0 465.5 14.3 480 31.9 480H416c17.6 0 32-14.5 32-32.3V64.3c0-17.8-14.4-32.3-32-32.3zM135.4 416H69V202.2h66.5V416zm-33.2-243c-21.3 0-38.5-17.3-38.5-38.5S80.9 96 102.2 96c21.2 0 38.5 17.3 38.5 38.5 0 21.3-17.2 38.5-38.5 38.5zm282.1 243h-66.4V312c0-24.8-.5-56.7-34.5-56.7-34.6 0-39.9 27-39.9 54.9V416h-66.4V202.2h63.7v29.2h.9c8.9-16.8 30.6-34.5 62.9-34.5 67.2 0 79.7 44.3 79.7 101.9V416z"></path></svg><a href="https://www.linkedin.com/in/edouardmathieu/" target="_blank" rel="noopener">Edouard Mathieu</a></li><li class="article-block__social-link social-link"><svg aria-hidden="true" focusable="false" data-prefix="fab" data-icon="x-twitter" class="svg-inline--fa fa-x-twitter " role="img" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512"><path fill="currentColor" d="M389.2 48h70.6L305.6 224.2 487 464H345L233.7 318.6 106.5 464H35.8L200.7 275.5 26.8 48H172.4L272.9 180.9 389.2 48zM364.4 421.8h39.1L151.1 88h-42L364.4 421.8z"></path></svg><a href="https://twitter.com/redouad" target="_blank" rel="noopener">@redouad</a></li></ul></div></div></div><div class="person"><div class="person-image-container"><a href="https://ourworldindata.org/team/hannah-ritchie" class="person-image--link-wrapper"><div class="image person-image"><picture><source srcSet="https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/7b9495f5-af80-466b-7640-55f35410d300/w=48 48w, https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/7b9495f5-af80-466b-7640-55f35410d300/w=100 100w, https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/7b9495f5-af80-466b-7640-55f35410d300/w=350 350w, https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/7b9495f5-af80-466b-7640-55f35410d300/w=386 386w" type="image/png" sizes="(max-width: 960px) 95vw, (min-width: 960px) 213px"/><img src="https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/7b9495f5-af80-466b-7640-55f35410d300/w=386" class="" loading="lazy" data-filename="Hannah_Ritchie-e1540908190161.jpg" width="386" height="386"/></picture></div></a></div><div><div class="person-header"><a href="https://ourworldindata.org/team/hannah-ritchie"><h3 class="person-heading">Dr. Hannah Ritchie</h3></a><span class="person-title">Deputy Editor and Science Outreach Lead</span></div><p class="article-block__text col-start-5 span-cols-6 col-md-start-3 span-md-cols-10 span-sm-cols-12 col-sm-start-2"><span>Hannah joined us in 2017. She became Deputy Editor and Science Outreach Lead at Our World in Data in 2023. She was previously Head of Research. She focuses on the long-term changes in the environment – energy, pollution, agriculture, food supply – and their compatibility with global development. Hannah completed her Ph.D. in GeoSciences at the </span><a href="https://www.ed.ac.uk/" class="span-link" target="_blank" rel="noopener"><span>University of Edinburgh</span></a><span>. She is a researcher at the </span><a href="https://www.oxfordmartin.ox.ac.uk/people/dr-hannah-ritchie/" class="span-link" target="_blank" rel="noopener"><span>Oxford Martin Programme in Global Development</span></a><span>, and an honorary fellow at the University of Edinburgh's School of Geosciences and Edinburgh’s </span><a href="https://edinburghcentre.org/team/dr-hannah-ritchie" class="span-link" target="_blank" rel="noopener"><span>Climate Change Institute</span></a><span>. Her first book – </span><a href="https://www.nottheendoftheworld.co.uk/" class="span-link" target="_blank" rel="noopener"><span>Not the End of the World</span></a><span> – looks at seven of our big environmental problems, and how to solve them. You can find more of her writing on her Substack – </span><a href="https://www.sustainabilitybynumbers.com/" class="span-link" target="_blank" rel="noopener"><span>Sustainability by Numbers</span></a><span>.</span></p><div class="person-socials"><ul><li class="article-block__social-link social-link"><svg aria-hidden="true" focusable="false" data-prefix="fas" data-icon="envelope" class="svg-inline--fa fa-envelope " role="img" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512"><path fill="currentColor" d="M48 64C21.5 64 0 85.5 0 112c0 15.1 7.1 29.3 19.2 38.4L236.8 313.6c11.4 8.5 27 8.5 38.4 0L492.8 150.4c12.1-9.1 19.2-23.3 19.2-38.4c0-26.5-21.5-48-48-48L48 64zM0 176L0 384c0 35.3 28.7 64 64 64l384 0c35.3 0 64-28.7 64-64l0-208L294.4 339.2c-22.8 17.1-54 17.1-76.8 0L0 176z"></path></svg><a href="mailto:hannah@ourworldindata.org" target="_blank" rel="noopener">hannah@ourworldindata.org</a></li><li class="article-block__social-link social-link"><svg aria-hidden="true" focusable="false" data-prefix="fab" data-icon="x-twitter" class="svg-inline--fa fa-x-twitter " role="img" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512"><path fill="currentColor" d="M389.2 48h70.6L305.6 224.2 487 464H345L233.7 318.6 106.5 464H35.8L200.7 275.5 26.8 48H172.4L272.9 180.9 389.2 48zM364.4 421.8h39.1L151.1 88h-42L364.4 421.8z"></path></svg><a href="https://x.com/_HannahRitchie" target="_blank" rel="noopener">@_HannahRitchie</a></li><li class="article-block__social-link social-link"><svg aria-hidden="true" focusable="false" data-prefix="fab" data-icon="bluesky" class="svg-inline--fa fa-bluesky " role="img" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512"><path fill="currentColor" d="M111.8 62.2C170.2 105.9 233 194.7 256 242.4c23-47.6 85.8-136.4 144.2-180.2c42.1-31.6 110.3-56 110.3 21.8c0 15.5-8.9 130.5-14.1 149.2C478.2 298 412 314.6 353.1 304.5c102.9 17.5 129.1 75.5 72.5 133.5c-107.4 110.2-154.3-27.6-166.3-62.9l0 0c-1.7-4.9-2.6-7.8-3.3-7.8s-1.6 3-3.3 7.8l0 0c-12 35.3-59 173.1-166.3 62.9c-56.5-58-30.4-116 72.5-133.5C100 314.6 33.8 298 15.7 233.1C10.4 214.4 1.5 99.4 1.5 83.9c0-77.8 68.2-53.4 110.3-21.8z"></path></svg><a href="https://bsky.app/profile/hannahritchie.bsky.social" target="_blank" rel="noopener">@hannahritchie.bsky.social</a></li></ul></div></div></div><div class="person"><div class="person-image-container"><div class="image person-image"><picture><source srcSet="https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/514ee4f8-a776-471d-e77e-132c72e40800/w=48 48w, https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/514ee4f8-a776-471d-e77e-132c72e40800/w=100 100w, https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/514ee4f8-a776-471d-e77e-132c72e40800/w=350 350w, https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/514ee4f8-a776-471d-e77e-132c72e40800/w=386 386w" type="image/png" sizes="(max-width: 960px) 95vw, (min-width: 960px) 213px"/><img src="https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/514ee4f8-a776-471d-e77e-132c72e40800/w=386" class="" loading="lazy" data-filename="DanielBachler.jpg" width="386" height="386"/></picture></div></div><div><div class="person-header"><h3 class="person-heading">Daniel Bachler</h3><span class="person-title">Head of Engineering</span></div><p class="article-block__text col-start-5 span-cols-6 col-md-start-3 span-md-cols-10 span-sm-cols-12 col-sm-start-2"><span>Daniel joined us in 2021 as our Principal Software Engineer. He became Head of Engineering in early 2025. Previously he worked on scientific data management and visualization solutions in the life sciences. He studied film directing and now focuses on applying both his engineering and creative background on improving our visualization tools.</span></p><div class="person-socials"><ul><li class="article-block__social-link social-link"><svg aria-hidden="true" focusable="false" data-prefix="fas" data-icon="envelope" class="svg-inline--fa fa-envelope " role="img" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512"><path fill="currentColor" d="M48 64C21.5 64 0 85.5 0 112c0 15.1 7.1 29.3 19.2 38.4L236.8 313.6c11.4 8.5 27 8.5 38.4 0L492.8 150.4c12.1-9.1 19.2-23.3 19.2-38.4c0-26.5-21.5-48-48-48L48 64zM0 176L0 384c0 35.3 28.7 64 64 64l384 0c35.3 0 64-28.7 64-64l0-208L294.4 339.2c-22.8 17.1-54 17.1-76.8 0L0 176z"></path></svg><a href="mailto:daniel.bachler@ourworldindata.org" target="_blank" rel="noopener">daniel.bachler@ourworldindata.org</a></li><li class="article-block__social-link social-link"><svg aria-hidden="true" focusable="false" data-prefix="fab" data-icon="x-twitter" class="svg-inline--fa fa-x-twitter " role="img" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512"><path fill="currentColor" d="M389.2 48h70.6L305.6 224.2 487 464H345L233.7 318.6 106.5 464H35.8L200.7 275.5 26.8 48H172.4L272.9 180.9 389.2 48zM364.4 421.8h39.1L151.1 88h-42L364.4 421.8z"></path></svg><a href="https://x.com/danyx23" target="_blank" rel="noopener">@danyx23</a></li><li class="article-block__social-link social-link"><svg aria-hidden="true" focusable="false" data-prefix="fas" data-icon="link" class="svg-inline--fa fa-link " role="img" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 640 512"><path fill="currentColor" d="M579.8 267.7c56.5-56.5 56.5-148 0-204.5c-50-50-128.8-56.5-186.3-15.4l-1.6 1.1c-14.4 10.3-17.7 30.3-7.4 44.6s30.3 17.7 44.6 7.4l1.6-1.1c32.1-22.9 76-19.3 103.8 8.6c31.5 31.5 31.5 82.5 0 114L422.3 334.8c-31.5 31.5-82.5 31.5-114 0c-27.9-27.9-31.5-71.8-8.6-103.8l1.1-1.6c10.3-14.4 6.9-34.4-7.4-44.6s-34.4-6.9-44.6 7.4l-1.1 1.6C206.5 251.2 213 330 263 380c56.5 56.5 148 56.5 204.5 0L579.8 267.7zM60.2 244.3c-56.5 56.5-56.5 148 0 204.5c50 50 128.8 56.5 186.3 15.4l1.6-1.1c14.4-10.3 17.7-30.3 7.4-44.6s-30.3-17.7-44.6-7.4l-1.6 1.1c-32.1 22.9-76 19.3-103.8-8.6C74 372 74 321 105.5 289.5L217.7 177.2c31.5-31.5 82.5-31.5 114 0c27.9 27.9 31.5 71.8 8.6 103.9l-1.1 1.6c-10.3 14.4-6.9 34.4 7.4 44.6s34.4 6.9 44.6-7.4l1.1-1.6C433.5 260.8 427 182 377 132c-56.5-56.5-148-56.5-204.5 0L60.2 244.3z"></path></svg><a href="https://danielbachler.de" target="_blank" rel="noopener">danielbachler.de</a></li></ul></div></div></div></div><hr class="article-block__horizontal-rule grid col-start-2 span-cols-12"/><h2 class="h2-bold article-block__heading grid col-start-2 span-cols-12" id="data-research"><span>Data & Research</span><a class="deep-link" href="#data-research"></a></h2><div class="people people-cols-2 grid-cols-2 grid-md-cols-1 article-block__people-rows grid col-start-2 span-cols-12"><div class="person"><div class="person-image-container"><a href="https://ourworldindata.org/team/tuna-acisu" class="person-image--link-wrapper"><div class="image person-image"><picture><source srcSet="https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/13fd9cbe-6fbf-435c-93a8-6acaceed5b00/w=48 48w, https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/13fd9cbe-6fbf-435c-93a8-6acaceed5b00/w=100 100w, https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/13fd9cbe-6fbf-435c-93a8-6acaceed5b00/w=350 350w, https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/13fd9cbe-6fbf-435c-93a8-6acaceed5b00/w=850 850w, https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/13fd9cbe-6fbf-435c-93a8-6acaceed5b00/w=1350 1350w, https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/13fd9cbe-6fbf-435c-93a8-6acaceed5b00/w=2800 2800w" type="image/png" sizes="(max-width: 960px) 95vw, (min-width: 960px) 213px"/><img src="https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/13fd9cbe-6fbf-435c-93a8-6acaceed5b00/w=2800" alt="Portrait picture of Tuna Acisu" class="" loading="lazy" data-filename="Tuna-0004.jpg" width="2800" height="2800"/></picture></div></a></div><div><div class="person-header"><a href="https://ourworldindata.org/team/tuna-acisu"><h3 class="person-heading">Tuna Acisu</h3></a><span class="person-title">Junior Data Scientist</span></div><p class="article-block__text col-start-5 span-cols-6 col-md-start-3 span-md-cols-10 span-sm-cols-12 col-sm-start-2"><span>Tuna joined us in 2024. She previously worked on machine learning for epigenetic data and in management consulting. She has an M.Sc. in Data Science from the Technical University of Munich.</span></p><div class="person-socials"><ul><li class="article-block__social-link social-link"><svg aria-hidden="true" focusable="false" data-prefix="fas" data-icon="envelope" class="svg-inline--fa fa-envelope " role="img" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512"><path fill="currentColor" d="M48 64C21.5 64 0 85.5 0 112c0 15.1 7.1 29.3 19.2 38.4L236.8 313.6c11.4 8.5 27 8.5 38.4 0L492.8 150.4c12.1-9.1 19.2-23.3 19.2-38.4c0-26.5-21.5-48-48-48L48 64zM0 176L0 384c0 35.3 28.7 64 64 64l384 0c35.3 0 64-28.7 64-64l0-208L294.4 339.2c-22.8 17.1-54 17.1-76.8 0L0 176z"></path></svg><a href="mailto:tuna@ourworldindata.org" target="_blank" rel="noopener">tuna@ourworldindata.org</a></li><li class="article-block__social-link social-link"><svg aria-hidden="true" focusable="false" data-prefix="fab" data-icon="x-twitter" class="svg-inline--fa fa-x-twitter " role="img" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512"><path fill="currentColor" d="M389.2 48h70.6L305.6 224.2 487 464H345L233.7 318.6 106.5 464H35.8L200.7 275.5 26.8 48H172.4L272.9 180.9 389.2 48zM364.4 421.8h39.1L151.1 88h-42L364.4 421.8z"></path></svg><a href="https://x.com/antea04" target="_blank" rel="noopener">@antea04</a></li></ul></div></div></div><div class="person"><div class="person-image-container"><a href="https://ourworldindata.org/team/pablo-arriagada" class="person-image--link-wrapper"><div class="image person-image"><picture><source srcSet="https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/ff46b382-420e-4f58-8d19-39f89df6ca00/w=48 48w, https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/ff46b382-420e-4f58-8d19-39f89df6ca00/w=100 100w, https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/ff46b382-420e-4f58-8d19-39f89df6ca00/w=350 350w, https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/ff46b382-420e-4f58-8d19-39f89df6ca00/w=850 850w, https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/ff46b382-420e-4f58-8d19-39f89df6ca00/w=1350 1350w, https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/ff46b382-420e-4f58-8d19-39f89df6ca00/w=2800 2800w" type="image/png" sizes="(max-width: 960px) 95vw, (min-width: 960px) 213px"/><img src="https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/ff46b382-420e-4f58-8d19-39f89df6ca00/w=2800" alt="Profile picture of Pablo Arriagada. © Daniel Bachler." class="" loading="lazy" data-filename="PabloA-0005.jpg" width="2800" height="2800"/></picture></div></a></div><div><div class="person-header"><a href="https://ourworldindata.org/team/pablo-arriagada"><h3 class="person-heading">Pablo Arriagada</h3></a><span class="person-title">Data Scientist</span></div><p class="article-block__text col-start-5 span-cols-6 col-md-start-3 span-md-cols-10 span-sm-cols-12 col-sm-start-2"><span>Pablo joined in 2022 to expand OWID’s work on poverty, inequality, and economic development. Before this, he was a consultant in data analysis, data visualization, and data science for academic and journalistic research in Chile, and previously worked in institutional data analysis for higher education. He has an MPA in Public and Economic Policy from the London School of Economics.</span></p><div class="person-socials"><ul><li class="article-block__social-link social-link"><svg aria-hidden="true" focusable="false" data-prefix="fas" data-icon="envelope" class="svg-inline--fa fa-envelope " role="img" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512"><path fill="currentColor" d="M48 64C21.5 64 0 85.5 0 112c0 15.1 7.1 29.3 19.2 38.4L236.8 313.6c11.4 8.5 27 8.5 38.4 0L492.8 150.4c12.1-9.1 19.2-23.3 19.2-38.4c0-26.5-21.5-48-48-48L48 64zM0 176L0 384c0 35.3 28.7 64 64 64l384 0c35.3 0 64-28.7 64-64l0-208L294.4 339.2c-22.8 17.1-54 17.1-76.8 0L0 176z"></path></svg><a href="mailto:pablo.arriagada@ourworldindata.org" target="_blank" rel="noopener">pablo.arriagada@ourworldindata.org</a></li><li class="article-block__social-link social-link"><svg aria-hidden="true" focusable="false" data-prefix="fab" data-icon="x-twitter" class="svg-inline--fa fa-x-twitter " role="img" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512"><path fill="currentColor" d="M389.2 48h70.6L305.6 224.2 487 464H345L233.7 318.6 106.5 464H35.8L200.7 275.5 26.8 48H172.4L272.9 180.9 389.2 48zM364.4 421.8h39.1L151.1 88h-42L364.4 421.8z"></path></svg><a href="https://x.com/parriagadap" target="_blank" rel="noopener">@parriagadap</a></li><li class="article-block__social-link social-link"><svg aria-hidden="true" focusable="false" data-prefix="fab" data-icon="bluesky" class="svg-inline--fa fa-bluesky " role="img" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512"><path fill="currentColor" d="M111.8 62.2C170.2 105.9 233 194.7 256 242.4c23-47.6 85.8-136.4 144.2-180.2c42.1-31.6 110.3-56 110.3 21.8c0 15.5-8.9 130.5-14.1 149.2C478.2 298 412 314.6 353.1 304.5c102.9 17.5 129.1 75.5 72.5 133.5c-107.4 110.2-154.3-27.6-166.3-62.9l0 0c-1.7-4.9-2.6-7.8-3.3-7.8s-1.6 3-3.3 7.8l0 0c-12 35.3-59 173.1-166.3 62.9c-56.5-58-30.4-116 72.5-133.5C100 314.6 33.8 298 15.7 233.1C10.4 214.4 1.5 99.4 1.5 83.9c0-77.8 68.2-53.4 110.3-21.8z"></path></svg><a href="https://parriagadap.bsky.social/" target="_blank" rel="noopener">@parriagadap.bsky.social</a></li><li class="article-block__social-link social-link"><svg aria-hidden="true" focusable="false" data-prefix="fab" data-icon="linkedin" class="svg-inline--fa fa-linkedin " role="img" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 448 512"><path fill="currentColor" d="M416 32H31.9C14.3 32 0 46.5 0 64.3v383.4C0 465.5 14.3 480 31.9 480H416c17.6 0 32-14.5 32-32.3V64.3c0-17.8-14.4-32.3-32-32.3zM135.4 416H69V202.2h66.5V416zm-33.2-243c-21.3 0-38.5-17.3-38.5-38.5S80.9 96 102.2 96c21.2 0 38.5 17.3 38.5 38.5 0 21.3-17.2 38.5-38.5 38.5zm282.1 243h-66.4V312c0-24.8-.5-56.7-34.5-56.7-34.6 0-39.9 27-39.9 54.9V416h-66.4V202.2h63.7v29.2h.9c8.9-16.8 30.6-34.5 62.9-34.5 67.2 0 79.7 44.3 79.7 101.9V416z"></path></svg><a href="https://www.linkedin.com/in/parriagadap" target="_blank" rel="noopener">Pablo Arriagada</a></li></ul></div></div></div><div class="person"><div class="person-image-container"><a href="https://ourworldindata.org/team/saloni-dattani" class="person-image--link-wrapper"><div class="image person-image"><picture><source srcSet="https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/1e92ac9c-1920-4e61-f640-4eb83171d400/w=48 48w, https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/1e92ac9c-1920-4e61-f640-4eb83171d400/w=100 100w, https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/1e92ac9c-1920-4e61-f640-4eb83171d400/w=350 350w, https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/1e92ac9c-1920-4e61-f640-4eb83171d400/w=850 850w, https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/1e92ac9c-1920-4e61-f640-4eb83171d400/w=1052 1052w" type="image/png" sizes="(max-width: 960px) 95vw, (min-width: 960px) 213px"/><img src="https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/1e92ac9c-1920-4e61-f640-4eb83171d400/w=1052" alt="Portrait image of Saloni Dattani" class="" loading="lazy" data-filename="saloni-owid.jpeg" width="1052" height="1052"/></picture></div></a></div><div><div class="person-header"><a href="https://ourworldindata.org/team/saloni-dattani"><h3 class="person-heading">Dr. Saloni Dattani</h3></a><span class="person-title">Researcher</span></div><p class="article-block__text col-start-5 span-cols-6 col-md-start-3 span-md-cols-10 span-sm-cols-12 col-sm-start-2"><span>Saloni joined us as a researcher in 2021. She is a Project Lead at Global Change Data Lab focusing on health. She has a Ph.D. in psychiatric genetics from the University of Hong Kong and King’s College London.</span></p><div class="person-socials"><ul><li class="article-block__social-link social-link"><svg aria-hidden="true" focusable="false" data-prefix="fas" data-icon="envelope" class="svg-inline--fa fa-envelope " role="img" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512"><path fill="currentColor" d="M48 64C21.5 64 0 85.5 0 112c0 15.1 7.1 29.3 19.2 38.4L236.8 313.6c11.4 8.5 27 8.5 38.4 0L492.8 150.4c12.1-9.1 19.2-23.3 19.2-38.4c0-26.5-21.5-48-48-48L48 64zM0 176L0 384c0 35.3 28.7 64 64 64l384 0c35.3 0 64-28.7 64-64l0-208L294.4 339.2c-22.8 17.1-54 17.1-76.8 0L0 176z"></path></svg><a href="mailto:saloni@ourworldindata.org" target="_blank" rel="noopener">saloni@ourworldindata.org</a></li><li class="article-block__social-link social-link"><svg aria-hidden="true" focusable="false" data-prefix="fab" data-icon="x-twitter" class="svg-inline--fa fa-x-twitter " role="img" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512"><path fill="currentColor" d="M389.2 48h70.6L305.6 224.2 487 464H345L233.7 318.6 106.5 464H35.8L200.7 275.5 26.8 48H172.4L272.9 180.9 389.2 48zM364.4 421.8h39.1L151.1 88h-42L364.4 421.8z"></path></svg><a href="https://x.com/salonium" target="_blank" rel="noopener">@salonium</a></li><li class="article-block__social-link social-link"><svg aria-hidden="true" focusable="false" data-prefix="fab" data-icon="bluesky" class="svg-inline--fa fa-bluesky " role="img" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512"><path fill="currentColor" d="M111.8 62.2C170.2 105.9 233 194.7 256 242.4c23-47.6 85.8-136.4 144.2-180.2c42.1-31.6 110.3-56 110.3 21.8c0 15.5-8.9 130.5-14.1 149.2C478.2 298 412 314.6 353.1 304.5c102.9 17.5 129.1 75.5 72.5 133.5c-107.4 110.2-154.3-27.6-166.3-62.9l0 0c-1.7-4.9-2.6-7.8-3.3-7.8s-1.6 3-3.3 7.8l0 0c-12 35.3-59 173.1-166.3 62.9c-56.5-58-30.4-116 72.5-133.5C100 314.6 33.8 298 15.7 233.1C10.4 214.4 1.5 99.4 1.5 83.9c0-77.8 68.2-53.4 110.3-21.8z"></path></svg><a href="https://bsky.app/profile/scientificdiscovery.dev" target="_blank" rel="noopener">@scientificdiscovery.dev</a></li></ul></div></div></div><div class="person"><div class="person-image-container"><a href="https://ourworldindata.org/team/charlie-giattino" class="person-image--link-wrapper"><div class="image person-image"><picture><source srcSet="https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/daf5cf54-6e3d-4edd-d83f-ad5ba7b3c200/w=48 48w, https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/daf5cf54-6e3d-4edd-d83f-ad5ba7b3c200/w=100 100w, https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/daf5cf54-6e3d-4edd-d83f-ad5ba7b3c200/w=350 350w, https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/daf5cf54-6e3d-4edd-d83f-ad5ba7b3c200/w=850 850w, https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/daf5cf54-6e3d-4edd-d83f-ad5ba7b3c200/w=1000 1000w" type="image/png" sizes="(max-width: 960px) 95vw, (min-width: 960px) 213px"/><img src="https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/daf5cf54-6e3d-4edd-d83f-ad5ba7b3c200/w=1000" alt="Charlie Giattino's profile photo" class="" loading="lazy" data-filename="charliegiattino.jpg" width="1000" height="1000"/></picture></div></a></div><div><div class="person-header"><a href="https://ourworldindata.org/team/charlie-giattino"><h3 class="person-heading">Dr. Charlie Giattino</h3></a><span class="person-title">Communications & Outreach Manager</span></div><p class="article-block__text col-start-5 span-cols-6 col-md-start-3 span-md-cols-10 span-sm-cols-12 col-sm-start-2"><span>Charlie joined us in 2020. He has worked across our team: initially joining as a researcher, later moving to our operations team, and now leading our communications. He completed his Ph.D. in cognitive neuroscience at Duke University.</span></p><div class="person-socials"><ul><li class="article-block__social-link social-link"><svg aria-hidden="true" focusable="false" data-prefix="fas" data-icon="envelope" class="svg-inline--fa fa-envelope " role="img" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512"><path fill="currentColor" d="M48 64C21.5 64 0 85.5 0 112c0 15.1 7.1 29.3 19.2 38.4L236.8 313.6c11.4 8.5 27 8.5 38.4 0L492.8 150.4c12.1-9.1 19.2-23.3 19.2-38.4c0-26.5-21.5-48-48-48L48 64zM0 176L0 384c0 35.3 28.7 64 64 64l384 0c35.3 0 64-28.7 64-64l0-208L294.4 339.2c-22.8 17.1-54 17.1-76.8 0L0 176z"></path></svg><a href="mailto:charlie@ourworldindata.org" target="_blank" rel="noopener">charlie@ourworldindata.org</a></li><li class="article-block__social-link social-link"><svg aria-hidden="true" focusable="false" data-prefix="fab" data-icon="x-twitter" class="svg-inline--fa fa-x-twitter " role="img" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512"><path fill="currentColor" d="M389.2 48h70.6L305.6 224.2 487 464H345L233.7 318.6 106.5 464H35.8L200.7 275.5 26.8 48H172.4L272.9 180.9 389.2 48zM364.4 421.8h39.1L151.1 88h-42L364.4 421.8z"></path></svg><a href="https://x.com/charliegiattino" target="_blank" rel="noopener">@charliegiattino</a></li></ul></div></div></div><div class="person"><div class="person-image-container"><a href="https://ourworldindata.org/team/bastian-herre" class="person-image--link-wrapper"><div class="image person-image"><picture><source srcSet="https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/64805a38-a0ac-4a7f-96ce-4f80ffe54500/w=48 48w, https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/64805a38-a0ac-4a7f-96ce-4f80ffe54500/w=100 100w, https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/64805a38-a0ac-4a7f-96ce-4f80ffe54500/w=350 350w, https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/64805a38-a0ac-4a7f-96ce-4f80ffe54500/w=386 386w" type="image/png" sizes="(max-width: 960px) 95vw, (min-width: 960px) 213px"/><img src="https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/64805a38-a0ac-4a7f-96ce-4f80ffe54500/w=386" alt="A portrait of Bastian Herre with blonde hair, glasses, and a beard." class="" loading="lazy" data-filename="bastian-herre.png" width="386" height="386"/></picture></div></a></div><div><div class="person-header"><a href="https://ourworldindata.org/team/bastian-herre"><h3 class="person-heading">Dr. Bastian Herre</h3></a><span class="person-title">Researcher</span></div><p class="article-block__text col-start-5 span-cols-6 col-md-start-3 span-md-cols-10 span-sm-cols-12 col-sm-start-2"><span>Bastian joined us in 2021. He works on human rights, democracy, armed conflict, and violence. Contact him if you have questions about his topics or related data, need advice on which data source to use, or have suggestions for new articles or data sources. Bastian has a Ph.D. in Political Science from the University of Chicago and an MA in Political Science and Economics from Heidelberg University. He is a Project Lead at the Global Change Data Lab and an Honorary Researcher at the Oxford Martin School.</span></p><div class="person-socials"><ul><li class="article-block__social-link social-link"><svg aria-hidden="true" focusable="false" data-prefix="fas" data-icon="envelope" class="svg-inline--fa fa-envelope " role="img" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512"><path fill="currentColor" d="M48 64C21.5 64 0 85.5 0 112c0 15.1 7.1 29.3 19.2 38.4L236.8 313.6c11.4 8.5 27 8.5 38.4 0L492.8 150.4c12.1-9.1 19.2-23.3 19.2-38.4c0-26.5-21.5-48-48-48L48 64zM0 176L0 384c0 35.3 28.7 64 64 64l384 0c35.3 0 64-28.7 64-64l0-208L294.4 339.2c-22.8 17.1-54 17.1-76.8 0L0 176z"></path></svg><a href="mailto:bastian@ourworldindata.org" target="_blank" rel="noopener">bastian@ourworldindata.org</a></li><li class="article-block__social-link social-link"><svg aria-hidden="true" focusable="false" data-prefix="fab" data-icon="linkedin" class="svg-inline--fa fa-linkedin " role="img" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 448 512"><path fill="currentColor" d="M416 32H31.9C14.3 32 0 46.5 0 64.3v383.4C0 465.5 14.3 480 31.9 480H416c17.6 0 32-14.5 32-32.3V64.3c0-17.8-14.4-32.3-32-32.3zM135.4 416H69V202.2h66.5V416zm-33.2-243c-21.3 0-38.5-17.3-38.5-38.5S80.9 96 102.2 96c21.2 0 38.5 17.3 38.5 38.5 0 21.3-17.2 38.5-38.5 38.5zm282.1 243h-66.4V312c0-24.8-.5-56.7-34.5-56.7-34.6 0-39.9 27-39.9 54.9V416h-66.4V202.2h63.7v29.2h.9c8.9-16.8 30.6-34.5 62.9-34.5 67.2 0 79.7 44.3 79.7 101.9V416z"></path></svg><a href="https://www.linkedin.com/in/bastian-herre-44ba64235/" target="_blank" rel="noopener">Bastian Herre</a></li><li class="article-block__social-link social-link"><svg aria-hidden="true" focusable="false" data-prefix="fab" data-icon="x-twitter" class="svg-inline--fa fa-x-twitter " role="img" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512"><path fill="currentColor" d="M389.2 48h70.6L305.6 224.2 487 464H345L233.7 318.6 106.5 464H35.8L200.7 275.5 26.8 48H172.4L272.9 180.9 389.2 48zM364.4 421.8h39.1L151.1 88h-42L364.4 421.8z"></path></svg><a href="https://x.com/bbherre" target="_blank" rel="noopener">@bbherre</a></li><li class="article-block__social-link social-link"><svg aria-hidden="true" focusable="false" data-prefix="fab" data-icon="mastodon" class="svg-inline--fa fa-mastodon " role="img" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 448 512"><path fill="currentColor" d="M433 179.11c0-97.2-63.71-125.7-63.71-125.7-62.52-28.7-228.56-28.4-290.48 0 0 0-63.72 28.5-63.72 125.7 0 115.7-6.6 259.4 105.63 289.1 40.51 10.7 75.32 13 103.33 11.4 50.81-2.8 79.32-18.1 79.32-18.1l-1.7-36.9s-36.31 11.4-77.12 10.1c-40.41-1.4-83-4.4-89.63-54a102.54 102.54 0 0 1-.9-13.9c85.63 20.9 158.65 9.1 178.75 6.7 56.12-6.7 105-41.3 111.23-72.9 9.8-49.8 9-121.5 9-121.5zm-75.12 125.2h-46.63v-114.2c0-49.7-64-51.6-64 6.9v62.5h-46.33V197c0-58.5-64-56.6-64-6.9v114.2H90.19c0-122.1-5.2-147.9 18.41-175 25.9-28.9 79.82-30.8 103.83 6.1l11.6 19.5 11.6-19.5c24.11-37.1 78.12-34.8 103.83-6.1 23.71 27.3 18.4 53 18.4 175z"></path></svg><a href="https://sciences.social/@bastianherre" target="_blank" rel="noopener">@bastianherre@sciences.social</a></li><li class="article-block__social-link social-link"><svg aria-hidden="true" focusable="false" data-prefix="fab" data-icon="bluesky" class="svg-inline--fa fa-bluesky " role="img" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512"><path fill="currentColor" d="M111.8 62.2C170.2 105.9 233 194.7 256 242.4c23-47.6 85.8-136.4 144.2-180.2c42.1-31.6 110.3-56 110.3 21.8c0 15.5-8.9 130.5-14.1 149.2C478.2 298 412 314.6 353.1 304.5c102.9 17.5 129.1 75.5 72.5 133.5c-107.4 110.2-154.3-27.6-166.3-62.9l0 0c-1.7-4.9-2.6-7.8-3.3-7.8s-1.6 3-3.3 7.8l0 0c-12 35.3-59 173.1-166.3 62.9c-56.5-58-30.4-116 72.5-133.5C100 314.6 33.8 298 15.7 233.1C10.4 214.4 1.5 99.4 1.5 83.9c0-77.8 68.2-53.4 110.3-21.8z"></path></svg><a href="https://bsky.app/profile/bastianherre.bsky.social" target="_blank" rel="noopener">@bastianherre.bsky.social</a></li><li class="article-block__social-link social-link"><svg aria-hidden="true" focusable="false" data-prefix="fab" data-icon="threads" class="svg-inline--fa fa-threads " role="img" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 448 512"><path fill="currentColor" d="M331.5 235.7c2.2 .9 4.2 1.9 6.3 2.8c29.2 14.1 50.6 35.2 61.8 61.4c15.7 36.5 17.2 95.8-30.3 143.2c-36.2 36.2-80.3 52.5-142.6 53h-.3c-70.2-.5-124.1-24.1-160.4-70.2c-32.3-41-48.9-98.1-49.5-169.6V256v-.2C17 184.3 33.6 127.2 65.9 86.2C102.2 40.1 156.2 16.5 226.4 16h.3c70.3 .5 124.9 24 162.3 69.9c18.4 22.7 32 50 40.6 81.7l-40.4 10.8c-7.1-25.8-17.8-47.8-32.2-65.4c-29.2-35.8-73-54.2-130.5-54.6c-57 .5-100.1 18.8-128.2 54.4C72.1 146.1 58.5 194.3 58 256c.5 61.7 14.1 109.9 40.3 143.3c28 35.6 71.2 53.9 128.2 54.4c51.4-.4 85.4-12.6 113.7-40.9c32.3-32.2 31.7-71.8 21.4-95.9c-6.1-14.2-17.1-26-31.9-34.9c-3.7 26.9-11.8 48.3-24.7 64.8c-17.1 21.8-41.4 33.6-72.7 35.3c-23.6 1.3-46.3-4.4-63.9-16c-20.8-13.8-33-34.8-34.3-59.3c-2.5-48.3 35.7-83 95.2-86.4c21.1-1.2 40.9-.3 59.2 2.8c-2.4-14.8-7.3-26.6-14.6-35.2c-10-11.7-25.6-17.7-46.2-17.8H227c-16.6 0-39 4.6-53.3 26.3l-34.4-23.6c19.2-29.1 50.3-45.1 87.8-45.1h.8c62.6 .4 99.9 39.5 103.7 107.7l-.2 .2zm-156 68.8c1.3 25.1 28.4 36.8 54.6 35.3c25.6-1.4 54.6-11.4 59.5-73.2c-13.2-2.9-27.8-4.4-43.4-4.4c-4.8 0-9.6 .1-14.4 .4c-42.9 2.4-57.2 23.2-56.2 41.8l-.1 .1z"></path></svg><a href="https://www.threads.net/@bbherre" target="_blank" rel="noopener">@bbherre</a></li><li class="article-block__social-link social-link"><svg aria-hidden="true" focusable="false" data-prefix="fas" data-icon="link" class="svg-inline--fa fa-link " role="img" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 640 512"><path fill="currentColor" d="M579.8 267.7c56.5-56.5 56.5-148 0-204.5c-50-50-128.8-56.5-186.3-15.4l-1.6 1.1c-14.4 10.3-17.7 30.3-7.4 44.6s30.3 17.7 44.6 7.4l1.6-1.1c32.1-22.9 76-19.3 103.8 8.6c31.5 31.5 31.5 82.5 0 114L422.3 334.8c-31.5 31.5-82.5 31.5-114 0c-27.9-27.9-31.5-71.8-8.6-103.8l1.1-1.6c10.3-14.4 6.9-34.4-7.4-44.6s-34.4-6.9-44.6 7.4l-1.1 1.6C206.5 251.2 213 330 263 380c56.5 56.5 148 56.5 204.5 0L579.8 267.7zM60.2 244.3c-56.5 56.5-56.5 148 0 204.5c50 50 128.8 56.5 186.3 15.4l1.6-1.1c14.4-10.3 17.7-30.3 7.4-44.6s-30.3-17.7-44.6-7.4l-1.6 1.1c-32.1 22.9-76 19.3-103.8-8.6C74 372 74 321 105.5 289.5L217.7 177.2c31.5-31.5 82.5-31.5 114 0c27.9 27.9 31.5 71.8 8.6 103.9l-1.1 1.6c-10.3 14.4-6.9 34.4 7.4 44.6s34.4 6.9 44.6-7.4l1.1-1.6C433.5 260.8 427 182 377 132c-56.5-56.5-148-56.5-204.5 0L60.2 244.3z"></path></svg><a href="https://bastianherre.com" target="_blank" rel="noopener">bastianherre.com</a></li></ul></div></div></div><div class="person"><div class="person-image-container"><a href="https://ourworldindata.org/team/lucas-rodes-guirao" class="person-image--link-wrapper"><div class="image person-image"><picture><source srcSet="https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/bb468852-682e-4184-e034-b67117a64d00/w=48 48w, https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/bb468852-682e-4184-e034-b67117a64d00/w=100 100w, https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/bb468852-682e-4184-e034-b67117a64d00/w=350 350w, https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/bb468852-682e-4184-e034-b67117a64d00/w=386 386w" type="image/png" sizes="(max-width: 960px) 95vw, (min-width: 960px) 213px"/><img src="https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/bb468852-682e-4184-e034-b67117a64d00/w=386" alt="" class="" loading="lazy" data-filename="lucas-2024.jpg" width="386" height="386"/></picture></div></a></div><div><div class="person-header"><a href="https://ourworldindata.org/team/lucas-rodes-guirao"><h3 class="person-heading">Lucas Rodés-Guirao</h3></a><span class="person-title">Senior Data Scientist</span></div><p class="article-block__text col-start-5 span-cols-6 col-md-start-3 span-md-cols-10 span-sm-cols-12 col-sm-start-2"><span>Lucas is a Senior Data Scientist at Our World in Data, mostly working on the curation of various datasets and the data infrastructure. He joined in 2021, after working as a Deep Learning Researcher at the National Institute of Informatics (Tokyo, Japan) and as a Data Scientist for the private sector. He studied an M.Sc. in Electrical Engineering at UPC (Barcelona, Spain) and KTH (Stockholm, Sweden).</span></p><div class="person-socials"><ul><li class="article-block__social-link social-link"><svg aria-hidden="true" focusable="false" data-prefix="fas" data-icon="envelope" class="svg-inline--fa fa-envelope " role="img" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512"><path fill="currentColor" d="M48 64C21.5 64 0 85.5 0 112c0 15.1 7.1 29.3 19.2 38.4L236.8 313.6c11.4 8.5 27 8.5 38.4 0L492.8 150.4c12.1-9.1 19.2-23.3 19.2-38.4c0-26.5-21.5-48-48-48L48 64zM0 176L0 384c0 35.3 28.7 64 64 64l384 0c35.3 0 64-28.7 64-64l0-208L294.4 339.2c-22.8 17.1-54 17.1-76.8 0L0 176z"></path></svg><a href="mailto:lucas@ourworldindata.org" target="_blank" rel="noopener">lucas@ourworldindata.org</a></li><li class="article-block__social-link social-link"><svg aria-hidden="true" focusable="false" data-prefix="fab" data-icon="bluesky" class="svg-inline--fa fa-bluesky " role="img" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512"><path fill="currentColor" d="M111.8 62.2C170.2 105.9 233 194.7 256 242.4c23-47.6 85.8-136.4 144.2-180.2c42.1-31.6 110.3-56 110.3 21.8c0 15.5-8.9 130.5-14.1 149.2C478.2 298 412 314.6 353.1 304.5c102.9 17.5 129.1 75.5 72.5 133.5c-107.4 110.2-154.3-27.6-166.3-62.9l0 0c-1.7-4.9-2.6-7.8-3.3-7.8s-1.6 3-3.3 7.8l0 0c-12 35.3-59 173.1-166.3 62.9c-56.5-58-30.4-116 72.5-133.5C100 314.6 33.8 298 15.7 233.1C10.4 214.4 1.5 99.4 1.5 83.9c0-77.8 68.2-53.4 110.3-21.8z"></path></svg><a href="https://bsky.app/profile/lcsrg.me" target="_blank" rel="noopener">@lcsrg.me</a></li><li class="article-block__social-link social-link"><svg aria-hidden="true" focusable="false" data-prefix="fas" data-icon="link" class="svg-inline--fa fa-link " role="img" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 640 512"><path fill="currentColor" d="M579.8 267.7c56.5-56.5 56.5-148 0-204.5c-50-50-128.8-56.5-186.3-15.4l-1.6 1.1c-14.4 10.3-17.7 30.3-7.4 44.6s30.3 17.7 44.6 7.4l1.6-1.1c32.1-22.9 76-19.3 103.8 8.6c31.5 31.5 31.5 82.5 0 114L422.3 334.8c-31.5 31.5-82.5 31.5-114 0c-27.9-27.9-31.5-71.8-8.6-103.8l1.1-1.6c10.3-14.4 6.9-34.4-7.4-44.6s-34.4-6.9-44.6 7.4l-1.1 1.6C206.5 251.2 213 330 263 380c56.5 56.5 148 56.5 204.5 0L579.8 267.7zM60.2 244.3c-56.5 56.5-56.5 148 0 204.5c50 50 128.8 56.5 186.3 15.4l1.6-1.1c14.4-10.3 17.7-30.3 7.4-44.6s-30.3-17.7-44.6-7.4l-1.6 1.1c-32.1 22.9-76 19.3-103.8-8.6C74 372 74 321 105.5 289.5L217.7 177.2c31.5-31.5 82.5-31.5 114 0c27.9 27.9 31.5 71.8 8.6 103.9l-1.1 1.6c-10.3 14.4-6.9 34.4 7.4 44.6s34.4 6.9 44.6-7.4l1.1-1.6C433.5 260.8 427 182 377 132c-56.5-56.5-148-56.5-204.5 0L60.2 244.3z"></path></svg><a href="https://lcsrg.me" target="_blank" rel="noopener">lcsrg.me</a></li></ul></div></div></div><div class="person"><div class="person-image-container"><a href="https://ourworldindata.org/team/bertha-rohenkohl" class="person-image--link-wrapper"><div class="image person-image"><picture><source srcSet="https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/13193785-944c-4889-fcce-378773e06400/w=48 48w, https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/13193785-944c-4889-fcce-378773e06400/w=100 100w, https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/13193785-944c-4889-fcce-378773e06400/w=350 350w, https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/13193785-944c-4889-fcce-378773e06400/w=512 512w" type="image/png" sizes="(max-width: 960px) 95vw, (min-width: 960px) 213px"/><img src="https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/13193785-944c-4889-fcce-378773e06400/w=512" alt="Photo of Bertha Rohenkohl" class="" loading="lazy" data-filename="bertha-rohenkohl.png" width="512" height="512"/></picture></div></a></div><div><div class="person-header"><a href="https://ourworldindata.org/team/bertha-rohenkohl"><h3 class="person-heading">Dr. Bertha Rohenkohl</h3></a><span class="person-title">Research and Data Economics Lead</span></div><p class="article-block__text col-start-5 span-cols-6 col-md-start-3 span-md-cols-10 span-sm-cols-12 col-sm-start-2"><span>Bertha joined us in 2024. She works on poverty, inequality, economic growth, and a range of related topics. Bertha has a Ph.D. in Economics from the University of Sheffield and a double M.Sc. in Economic Development from the University of Warwick and Lund University.</span></p><div class="person-socials"><ul><li class="article-block__social-link social-link"><svg aria-hidden="true" focusable="false" data-prefix="fas" data-icon="envelope" class="svg-inline--fa fa-envelope " role="img" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512"><path fill="currentColor" d="M48 64C21.5 64 0 85.5 0 112c0 15.1 7.1 29.3 19.2 38.4L236.8 313.6c11.4 8.5 27 8.5 38.4 0L492.8 150.4c12.1-9.1 19.2-23.3 19.2-38.4c0-26.5-21.5-48-48-48L48 64zM0 176L0 384c0 35.3 28.7 64 64 64l384 0c35.3 0 64-28.7 64-64l0-208L294.4 339.2c-22.8 17.1-54 17.1-76.8 0L0 176z"></path></svg><a href="mailto:bertha@ourworldindata.org" target="_blank" rel="noopener">bertha@ourworldindata.org</a></li></ul></div></div></div><div class="person"><div class="person-image-container"><a href="https://ourworldindata.org/team/pablo-rosado" class="person-image--link-wrapper"><div class="image person-image"><picture><source srcSet="https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/42d871ee-28ca-4a97-b18e-de9b1a52a200/w=48 48w, https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/42d871ee-28ca-4a97-b18e-de9b1a52a200/w=100 100w, https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/42d871ee-28ca-4a97-b18e-de9b1a52a200/w=350 350w, https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/42d871ee-28ca-4a97-b18e-de9b1a52a200/w=386 386w" type="image/png" sizes="(max-width: 960px) 95vw, (min-width: 960px) 213px"/><img src="https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/42d871ee-28ca-4a97-b18e-de9b1a52a200/w=386" alt="Pablo Rosado profile picture" class="" loading="lazy" data-filename="PabloRosado.jpg" width="386" height="386"/></picture></div></a></div><div><div class="person-header"><a href="https://ourworldindata.org/team/pablo-rosado"><h3 class="person-heading">Dr. Pablo Rosado</h3></a><span class="person-title">Principal Data Scientist</span></div><p class="article-block__text col-start-5 span-cols-6 col-md-start-3 span-md-cols-10 span-sm-cols-12 col-sm-start-2"><span>Pablo joined in 2022. He holds a Ph.D. in Astrophysics and Data Analysis from the Max Planck Society, where he conducted research on gravitational wave detection and radio astronomy. With over a decade of experience across academia and industry, he has applied advanced machine learning and data science in sectors such as finance, renewable energy, and intellectual property.</span></p><div class="person-socials"><ul><li class="article-block__social-link social-link"><svg aria-hidden="true" focusable="false" data-prefix="fas" data-icon="envelope" class="svg-inline--fa fa-envelope " role="img" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512"><path fill="currentColor" d="M48 64C21.5 64 0 85.5 0 112c0 15.1 7.1 29.3 19.2 38.4L236.8 313.6c11.4 8.5 27 8.5 38.4 0L492.8 150.4c12.1-9.1 19.2-23.3 19.2-38.4c0-26.5-21.5-48-48-48L48 64zM0 176L0 384c0 35.3 28.7 64 64 64l384 0c35.3 0 64-28.7 64-64l0-208L294.4 339.2c-22.8 17.1-54 17.1-76.8 0L0 176z"></path></svg><a href="mailto:pablo@ourworldindata.org" target="_blank" rel="noopener">pablo@ourworldindata.org</a></li><li class="article-block__social-link social-link"><svg aria-hidden="true" focusable="false" data-prefix="fab" 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103.8 8.6c31.5 31.5 31.5 82.5 0 114L422.3 334.8c-31.5 31.5-82.5 31.5-114 0c-27.9-27.9-31.5-71.8-8.6-103.8l1.1-1.6c10.3-14.4 6.9-34.4-7.4-44.6s-34.4-6.9-44.6 7.4l-1.1 1.6C206.5 251.2 213 330 263 380c56.5 56.5 148 56.5 204.5 0L579.8 267.7zM60.2 244.3c-56.5 56.5-56.5 148 0 204.5c50 50 128.8 56.5 186.3 15.4l1.6-1.1c14.4-10.3 17.7-30.3 7.4-44.6s-30.3-17.7-44.6-7.4l-1.6 1.1c-32.1 22.9-76 19.3-103.8-8.6C74 372 74 321 105.5 289.5L217.7 177.2c31.5-31.5 82.5-31.5 114 0c27.9 27.9 31.5 71.8 8.6 103.9l-1.1 1.6c-10.3 14.4-6.9 34.4 7.4 44.6s34.4 6.9 44.6-7.4l1.1-1.6C433.5 260.8 427 182 377 132c-56.5-56.5-148-56.5-204.5 0L60.2 244.3z"></path></svg><a href="https://pablorosado.com" target="_blank" rel="noopener">pablorosado.com</a></li></ul></div></div></div><div class="person"><div class="person-image-container"><a href="https://ourworldindata.org/team/veronika-samborska" class="person-image--link-wrapper"><div class="image person-image"><picture><source srcSet="https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/e4673269-1301-42dd-f19a-97f4fcf46d00/w=48 48w, https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/e4673269-1301-42dd-f19a-97f4fcf46d00/w=100 100w, https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/e4673269-1301-42dd-f19a-97f4fcf46d00/w=350 350w, https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/e4673269-1301-42dd-f19a-97f4fcf46d00/w=386 386w" type="image/png" sizes="(max-width: 960px) 95vw, (min-width: 960px) 213px"/><img src="https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/e4673269-1301-42dd-f19a-97f4fcf46d00/w=386" class="" loading="lazy" data-filename="VeronikaSamborska.png" width="386" height="386"/></picture></div></a></div><div><div class="person-header"><a href="https://ourworldindata.org/team/veronika-samborska"><h3 class="person-heading">Dr. Veronika Samborska</h3></a><span class="person-title">Data Scientist</span></div><p class="article-block__text col-start-5 span-cols-6 col-md-start-3 span-md-cols-10 span-sm-cols-12 col-sm-start-2"><span>Veronika joined us in 2023. She recently finished her Ph.D. in Computational Neuroscience at the University of Oxford, and previously worked in the Data Journalism team at the Financial Times.</span></p><div class="person-socials"><ul><li class="article-block__social-link social-link"><svg aria-hidden="true" focusable="false" data-prefix="fas" data-icon="envelope" class="svg-inline--fa fa-envelope " role="img" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512"><path fill="currentColor" d="M48 64C21.5 64 0 85.5 0 112c0 15.1 7.1 29.3 19.2 38.4L236.8 313.6c11.4 8.5 27 8.5 38.4 0L492.8 150.4c12.1-9.1 19.2-23.3 19.2-38.4c0-26.5-21.5-48-48-48L48 64zM0 176L0 384c0 35.3 28.7 64 64 64l384 0c35.3 0 64-28.7 64-64l0-208L294.4 339.2c-22.8 17.1-54 17.1-76.8 0L0 176z"></path></svg><a href="mailto:veronika@ourworldindata.org" target="_blank" rel="noopener">veronika@ourworldindata.org</a></li></ul></div></div></div><div class="person"><div class="person-image-container"><div class="image person-image"><picture><source srcSet="https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/16a02dea-7542-4591-07a8-ffbb5c5d2500/w=48 48w, https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/16a02dea-7542-4591-07a8-ffbb5c5d2500/w=100 100w, https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/16a02dea-7542-4591-07a8-ffbb5c5d2500/w=350 350w, https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/16a02dea-7542-4591-07a8-ffbb5c5d2500/w=386 386w" type="image/png" sizes="(max-width: 960px) 95vw, (min-width: 960px) 213px"/><img src="https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/16a02dea-7542-4591-07a8-ffbb5c5d2500/w=386" class="" loading="lazy" data-filename="fiona_pic-e1622645364561.jpeg" width="386" height="386"/></picture></div></div><div><div class="person-header"><h3 class="person-heading">Dr. Fiona Spooner</h3><span class="person-title">Senior Data Scientist</span></div><p class="article-block__text col-start-5 span-cols-6 col-md-start-3 span-md-cols-10 span-sm-cols-12 col-sm-start-2"><span>Fiona joined us in 2021. She was previously a Turing postdoctoral fellow at the University of Exeter working on tracking the Sustainable Development Goals and modeling the Covid-19 pandemic. She has a Ph.D. in Ecology and Environment from UCL (London, UK) and an MSc in Conservation Science from Imperial College (London, UK).</span></p><div class="person-socials"><ul><li class="article-block__social-link social-link"><svg aria-hidden="true" focusable="false" data-prefix="fas" data-icon="envelope" class="svg-inline--fa fa-envelope " role="img" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512"><path fill="currentColor" d="M48 64C21.5 64 0 85.5 0 112c0 15.1 7.1 29.3 19.2 38.4L236.8 313.6c11.4 8.5 27 8.5 38.4 0L492.8 150.4c12.1-9.1 19.2-23.3 19.2-38.4c0-26.5-21.5-48-48-48L48 64zM0 176L0 384c0 35.3 28.7 64 64 64l384 0c35.3 0 64-28.7 64-64l0-208L294.4 339.2c-22.8 17.1-54 17.1-76.8 0L0 176z"></path></svg><a href="mailto:fiona@ourworldindata.org" target="_blank" rel="noopener">fiona@ourworldindata.org</a></li><li class="article-block__social-link social-link"><svg aria-hidden="true" focusable="false" data-prefix="fab" data-icon="bluesky" class="svg-inline--fa fa-bluesky " role="img" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512"><path fill="currentColor" d="M111.8 62.2C170.2 105.9 233 194.7 256 242.4c23-47.6 85.8-136.4 144.2-180.2c42.1-31.6 110.3-56 110.3 21.8c0 15.5-8.9 130.5-14.1 149.2C478.2 298 412 314.6 353.1 304.5c102.9 17.5 129.1 75.5 72.5 133.5c-107.4 110.2-154.3-27.6-166.3-62.9l0 0c-1.7-4.9-2.6-7.8-3.3-7.8s-1.6 3-3.3 7.8l0 0c-12 35.3-59 173.1-166.3 62.9c-56.5-58-30.4-116 72.5-133.5C100 314.6 33.8 298 15.7 233.1C10.4 214.4 1.5 99.4 1.5 83.9c0-77.8 68.2-53.4 110.3-21.8z"></path></svg><a href="https://bsky.app/profile/spoonerf.bsky.social" target="_blank" rel="noopener">spoonerf.bsky.social</a></li></ul></div></div></div><div class="person"><div class="person-image-container"><a href="https://ourworldindata.org/team/simon-van-teutem" class="person-image--link-wrapper"><div class="image person-image"><picture><source srcSet="https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/42381add-6fe4-43d8-0b26-d771ee7f5f00/w=48 48w, https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/42381add-6fe4-43d8-0b26-d771ee7f5f00/w=100 100w, https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/42381add-6fe4-43d8-0b26-d771ee7f5f00/w=350 350w, https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/42381add-6fe4-43d8-0b26-d771ee7f5f00/w=850 850w, https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/42381add-6fe4-43d8-0b26-d771ee7f5f00/w=1350 1350w, https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/42381add-6fe4-43d8-0b26-d771ee7f5f00/w=2800 2800w" type="image/png" sizes="(max-width: 960px) 95vw, (min-width: 960px) 213px"/><img src="https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/42381add-6fe4-43d8-0b26-d771ee7f5f00/w=2800" alt="A portrait photo of Simon van Teutem, taken bij Daniel Bachler" class="" loading="lazy" data-filename="Simon-0004.jpg" width="2800" height="2800"/></picture></div></a></div><div><div class="person-header"><a href="https://ourworldindata.org/team/simon-van-teutem"><h3 class="person-heading">Simon van Teutem</h3></a><span class="person-title">Writer</span></div><p class="article-block__text col-start-5 span-cols-6 col-md-start-3 span-md-cols-10 span-sm-cols-12 col-sm-start-2"><span>Simon joined us in September 2024. He brings several years of writing experience with Dutch media outlet De Correspondent, where he focused on topics such as migration, aging populations, factory farming, and politics. He is also pursuing a Ph.D. in Politics at the University of Oxford.</span></p><div class="person-socials"><ul><li class="article-block__social-link social-link"><svg aria-hidden="true" focusable="false" data-prefix="fas" data-icon="envelope" class="svg-inline--fa fa-envelope " role="img" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512"><path fill="currentColor" d="M48 64C21.5 64 0 85.5 0 112c0 15.1 7.1 29.3 19.2 38.4L236.8 313.6c11.4 8.5 27 8.5 38.4 0L492.8 150.4c12.1-9.1 19.2-23.3 19.2-38.4c0-26.5-21.5-48-48-48L48 64zM0 176L0 384c0 35.3 28.7 64 64 64l384 0c35.3 0 64-28.7 64-64l0-208L294.4 339.2c-22.8 17.1-54 17.1-76.8 0L0 176z"></path></svg><a href="mailto:simon@ourworldindata.org" target="_blank" rel="noopener">simon@ourworldindata.org</a></li><li class="article-block__social-link social-link"><svg aria-hidden="true" focusable="false" data-prefix="fab" data-icon="x-twitter" class="svg-inline--fa fa-x-twitter " role="img" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512"><path fill="currentColor" d="M389.2 48h70.6L305.6 224.2 487 464H345L233.7 318.6 106.5 464H35.8L200.7 275.5 26.8 48H172.4L272.9 180.9 389.2 48zM364.4 421.8h39.1L151.1 88h-42L364.4 421.8z"></path></svg><a href="https://x.com/S_VanTeutem" target="_blank" rel="noopener">@S_VanTeutem</a></li></ul></div></div></div><div class="person"><div class="person-image-container"><div class="image person-image"><picture><source srcSet="https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/be355931-423d-475f-e8b5-edc54183bb00/w=48 48w, https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/be355931-423d-475f-e8b5-edc54183bb00/w=100 100w, https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/be355931-423d-475f-e8b5-edc54183bb00/w=350 350w, https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/be355931-423d-475f-e8b5-edc54183bb00/w=386 386w" type="image/png" sizes="(max-width: 960px) 95vw, (min-width: 960px) 213px"/><img src="https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/be355931-423d-475f-e8b5-edc54183bb00/w=386" class="" loading="lazy" data-filename="MojmirVinkler.jpg" width="386" height="386"/></picture></div></div><div><div class="person-header"><h3 class="person-heading">Mojmir Vinkler</h3><span class="person-title">Data Engineer</span></div><p class="article-block__text col-start-5 span-cols-6 col-md-start-3 span-md-cols-10 span-sm-cols-12 col-sm-start-2"><span>Mojmir joined us in 2022 as a data engineer. He studied statistics and computer science, which he applied to various machine learning projects in healthcare, fintech, and travel. Now he’s trying to improve our data infrastructure to improve the lives of our data analysts.</span></p><div class="person-socials"><ul><li class="article-block__social-link social-link"><svg aria-hidden="true" focusable="false" data-prefix="fas" data-icon="envelope" class="svg-inline--fa fa-envelope " role="img" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512"><path fill="currentColor" d="M48 64C21.5 64 0 85.5 0 112c0 15.1 7.1 29.3 19.2 38.4L236.8 313.6c11.4 8.5 27 8.5 38.4 0L492.8 150.4c12.1-9.1 19.2-23.3 19.2-38.4c0-26.5-21.5-48-48-48L48 64zM0 176L0 384c0 35.3 28.7 64 64 64l384 0c35.3 0 64-28.7 64-64l0-208L294.4 339.2c-22.8 17.1-54 17.1-76.8 0L0 176z"></path></svg><a href="mailto:mojmir@ourworldindata.org" target="_blank" rel="noopener">mojmir@ourworldindata.org</a></li></ul></div></div></div></div><hr class="article-block__horizontal-rule grid col-start-2 span-cols-12"/><h2 class="h2-bold article-block__heading grid col-start-2 span-cols-12" id="product-design-engineering"><span>Product, Design, & Engineering</span><a class="deep-link" href="#product-design-engineering"></a></h2><div class="people people-cols-2 grid-cols-2 grid-md-cols-1 article-block__people-rows grid col-start-2 span-cols-12"><div class="person"><div class="person-image-container"><div class="image person-image"><picture><source srcSet="https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/f3678853-8e59-4ef5-fde0-9006d7336100/w=48 48w, https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/f3678853-8e59-4ef5-fde0-9006d7336100/w=100 100w, https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/f3678853-8e59-4ef5-fde0-9006d7336100/w=350 350w, https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/f3678853-8e59-4ef5-fde0-9006d7336100/w=850 850w, https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/f3678853-8e59-4ef5-fde0-9006d7336100/w=1307 1307w" type="image/png" sizes="(max-width: 960px) 95vw, (min-width: 960px) 213px"/><img src="https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/f3678853-8e59-4ef5-fde0-9006d7336100/w=1307" alt=" " class="" loading="lazy" data-filename="matthieu-bergel.jpeg" width="1307" height="1308"/></picture></div></div><div><div class="person-header"><h3 class="person-heading">Matthieu Bergel</h3><span class="person-title">Senior Software Engineer</span></div><p class="article-block__text col-start-5 span-cols-6 col-md-start-3 span-md-cols-10 span-sm-cols-12 col-sm-start-2"><span>Matthieu joined in 2019 and has the overall mission of providing readers with a flowing experience between data and research throughout the publication. Drawing on his consulting experience from communication agencies in Paris, he is now building the next iteration of our content management system.</span></p><div class="person-socials"><ul><li class="article-block__social-link social-link"><svg aria-hidden="true" focusable="false" data-prefix="fas" data-icon="envelope" class="svg-inline--fa fa-envelope " role="img" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512"><path fill="currentColor" d="M48 64C21.5 64 0 85.5 0 112c0 15.1 7.1 29.3 19.2 38.4L236.8 313.6c11.4 8.5 27 8.5 38.4 0L492.8 150.4c12.1-9.1 19.2-23.3 19.2-38.4c0-26.5-21.5-48-48-48L48 64zM0 176L0 384c0 35.3 28.7 64 64 64l384 0c35.3 0 64-28.7 64-64l0-208L294.4 339.2c-22.8 17.1-54 17.1-76.8 0L0 176z"></path></svg><a href="mailto:matthieu@ourworldindata.org" target="_blank" rel="noopener">matthieu@ourworldindata.org</a></li></ul></div></div></div><div class="person"><div class="person-image-container"><div class="image person-image"><picture><source srcSet="https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/7f395cd6-1e70-45bd-481b-292dfdaf2b00/w=48 48w, https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/7f395cd6-1e70-45bd-481b-292dfdaf2b00/w=100 100w, https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/7f395cd6-1e70-45bd-481b-292dfdaf2b00/w=350 350w, https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/7f395cd6-1e70-45bd-481b-292dfdaf2b00/w=386 386w" type="image/png" sizes="(max-width: 960px) 95vw, (min-width: 960px) 213px"/><img src="https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/7f395cd6-1e70-45bd-481b-292dfdaf2b00/w=386" class="" loading="lazy" data-filename="Marwa.jpg" width="386" height="386"/></picture></div></div><div><div class="person-header"><h3 class="person-heading">Marwa Boukarim</h3><span class="person-title">Senior Designer</span></div><p class="article-block__text col-start-5 span-cols-6 col-md-start-3 span-md-cols-10 span-sm-cols-12 col-sm-start-2"><span>Marwa joined us in 2022 as a freelance UX/UI designer. She is helping refine, define and document a consistent design system for the OWID website. Previously, she worked on designing end-to-end digital experiences for clients in the public sector, telco, and entertainment industries at Frog Milan.</span></p><div class="person-socials"><ul><li class="article-block__social-link social-link"><svg aria-hidden="true" focusable="false" data-prefix="fas" data-icon="envelope" class="svg-inline--fa fa-envelope " role="img" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512"><path fill="currentColor" d="M48 64C21.5 64 0 85.5 0 112c0 15.1 7.1 29.3 19.2 38.4L236.8 313.6c11.4 8.5 27 8.5 38.4 0L492.8 150.4c12.1-9.1 19.2-23.3 19.2-38.4c0-26.5-21.5-48-48-48L48 64zM0 176L0 384c0 35.3 28.7 64 64 64l384 0c35.3 0 64-28.7 64-64l0-208L294.4 339.2c-22.8 17.1-54 17.1-76.8 0L0 176z"></path></svg><a href="mailto:marwa@ourworldindata.org" target="_blank" rel="noopener">marwa@ourworldindata.org</a></li><li class="article-block__social-link social-link"><svg aria-hidden="true" focusable="false" data-prefix="fas" data-icon="link" class="svg-inline--fa fa-link " role="img" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 640 512"><path fill="currentColor" d="M579.8 267.7c56.5-56.5 56.5-148 0-204.5c-50-50-128.8-56.5-186.3-15.4l-1.6 1.1c-14.4 10.3-17.7 30.3-7.4 44.6s30.3 17.7 44.6 7.4l1.6-1.1c32.1-22.9 76-19.3 103.8 8.6c31.5 31.5 31.5 82.5 0 114L422.3 334.8c-31.5 31.5-82.5 31.5-114 0c-27.9-27.9-31.5-71.8-8.6-103.8l1.1-1.6c10.3-14.4 6.9-34.4-7.4-44.6s-34.4-6.9-44.6 7.4l-1.1 1.6C206.5 251.2 213 330 263 380c56.5 56.5 148 56.5 204.5 0L579.8 267.7zM60.2 244.3c-56.5 56.5-56.5 148 0 204.5c50 50 128.8 56.5 186.3 15.4l1.6-1.1c14.4-10.3 17.7-30.3 7.4-44.6s-30.3-17.7-44.6-7.4l-1.6 1.1c-32.1 22.9-76 19.3-103.8-8.6C74 372 74 321 105.5 289.5L217.7 177.2c31.5-31.5 82.5-31.5 114 0c27.9 27.9 31.5 71.8 8.6 103.9l-1.1 1.6c-10.3 14.4-6.9 34.4 7.4 44.6s34.4 6.9 44.6-7.4l1.1-1.6C433.5 260.8 427 182 377 132c-56.5-56.5-148-56.5-204.5 0L60.2 244.3z"></path></svg><a href="https://marwaboukarim.com" target="_blank" rel="noopener">marwaboukarim.com</a></li></ul></div></div></div><div class="person"><div class="person-image-container"><div class="image person-image"><picture><source srcSet="https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/4ec2f822-ad22-4ada-8328-0709bc508100/w=48 48w, https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/4ec2f822-ad22-4ada-8328-0709bc508100/w=100 100w, https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/4ec2f822-ad22-4ada-8328-0709bc508100/w=350 350w, https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/4ec2f822-ad22-4ada-8328-0709bc508100/w=386 386w" type="image/png" sizes="(max-width: 960px) 95vw, (min-width: 960px) 213px"/><img src="https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/4ec2f822-ad22-4ada-8328-0709bc508100/w=386" class="" loading="lazy" data-filename="Marcel.jpg" width="386" height="386"/></picture></div></div><div><div class="person-header"><h3 class="person-heading">Marcel Gerber</h3><span class="person-title">Full Stack Engineer</span></div><p class="article-block__text col-start-5 span-cols-6 col-md-start-3 span-md-cols-10 span-sm-cols-12 col-sm-start-2"><span>Marcel joined us in 2020. He is helping us build and improve our data visualization tools and the website as a whole. Marcel holds a master’s degree in computer science from RWTH Aachen University.</span></p><div class="person-socials"><ul><li class="article-block__social-link social-link"><svg aria-hidden="true" focusable="false" data-prefix="fas" data-icon="envelope" class="svg-inline--fa fa-envelope " role="img" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512"><path fill="currentColor" d="M48 64C21.5 64 0 85.5 0 112c0 15.1 7.1 29.3 19.2 38.4L236.8 313.6c11.4 8.5 27 8.5 38.4 0L492.8 150.4c12.1-9.1 19.2-23.3 19.2-38.4c0-26.5-21.5-48-48-48L48 64zM0 176L0 384c0 35.3 28.7 64 64 64l384 0c35.3 0 64-28.7 64-64l0-208L294.4 339.2c-22.8 17.1-54 17.1-76.8 0L0 176z"></path></svg><a href="mailto:marcel@ourworldindata.org" target="_blank" rel="noopener">marcel@ourworldindata.org</a></li><li class="article-block__social-link social-link"><svg aria-hidden="true" focusable="false" data-prefix="fab" data-icon="x-twitter" class="svg-inline--fa fa-x-twitter " role="img" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512"><path fill="currentColor" d="M389.2 48h70.6L305.6 224.2 487 464H345L233.7 318.6 106.5 464H35.8L200.7 275.5 26.8 48H172.4L272.9 180.9 389.2 48zM364.4 421.8h39.1L151.1 88h-42L364.4 421.8z"></path></svg><a href="https://x.com/MarcelGerber9" target="_blank" rel="noopener">@MarcelGerber9</a></li></ul></div></div></div><div class="person"><div class="person-image-container"><div class="image person-image"><picture><source srcSet="https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/fd81bf86-94f6-43fd-83df-510e20673a00/w=48 48w, https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/fd81bf86-94f6-43fd-83df-510e20673a00/w=100 100w, https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/fd81bf86-94f6-43fd-83df-510e20673a00/w=350 350w, https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/fd81bf86-94f6-43fd-83df-510e20673a00/w=386 386w" type="image/png" sizes="(max-width: 960px) 95vw, (min-width: 960px) 213px"/><img src="https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/fd81bf86-94f6-43fd-83df-510e20673a00/w=386" class="" loading="lazy" data-filename="Bobbie.jpg" width="386" height="386"/></picture></div></div><div><div class="person-header"><h3 class="person-heading">Dr. Bobbie Macdonald</h3><span class="person-title">Senior Data Scientist</span></div><p class="article-block__text col-start-5 span-cols-6 col-md-start-3 span-md-cols-10 span-sm-cols-12 col-sm-start-2"><span>Bobbie joined us in 2020 to contribute to our data management team. In 2023, he joined the Product and Design team, working on Analytics. He has a Ph.D. in political science from Stanford University and an MSc in international development from the London School of Economics.</span></p><div class="person-socials"><ul><li class="article-block__social-link social-link"><svg aria-hidden="true" focusable="false" data-prefix="fas" data-icon="envelope" class="svg-inline--fa fa-envelope " role="img" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512"><path fill="currentColor" d="M48 64C21.5 64 0 85.5 0 112c0 15.1 7.1 29.3 19.2 38.4L236.8 313.6c11.4 8.5 27 8.5 38.4 0L492.8 150.4c12.1-9.1 19.2-23.3 19.2-38.4c0-26.5-21.5-48-48-48L48 64zM0 176L0 384c0 35.3 28.7 64 64 64l384 0c35.3 0 64-28.7 64-64l0-208L294.4 339.2c-22.8 17.1-54 17.1-76.8 0L0 176z"></path></svg><a href="mailto:bobbie@ourworldindata.org" target="_blank" rel="noopener">bobbie@ourworldindata.org</a></li><li class="article-block__social-link social-link"><svg aria-hidden="true" focusable="false" data-prefix="fab" data-icon="x-twitter" class="svg-inline--fa fa-x-twitter " role="img" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512"><path fill="currentColor" d="M389.2 48h70.6L305.6 224.2 487 464H345L233.7 318.6 106.5 464H35.8L200.7 275.5 26.8 48H172.4L272.9 180.9 389.2 48zM364.4 421.8h39.1L151.1 88h-42L364.4 421.8z"></path></svg><a href="https://x.com/bnjmacdonald" target="_blank" rel="noopener">@bnjmacdonald</a></li></ul></div></div></div><div class="person"><div class="person-image-container"><div class="image person-image"><picture><source srcSet="https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/5b0f6880-1ee5-4da2-9aa9-dd2c2b362300/w=48 48w, https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/5b0f6880-1ee5-4da2-9aa9-dd2c2b362300/w=100 100w, https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/5b0f6880-1ee5-4da2-9aa9-dd2c2b362300/w=350 350w, https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/5b0f6880-1ee5-4da2-9aa9-dd2c2b362300/w=386 386w" type="image/png" sizes="(max-width: 960px) 95vw, (min-width: 960px) 213px"/><img src="https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/5b0f6880-1ee5-4da2-9aa9-dd2c2b362300/w=386" class="" loading="lazy" data-filename="SophiaMersmann.jpg" width="386" height="386"/></picture></div></div><div><div class="person-header"><h3 class="person-heading">Sophia Mersmann</h3><span class="person-title">Senior Data Visualization Engineer</span></div><p class="article-block__text col-start-5 span-cols-6 col-md-start-3 span-md-cols-10 span-sm-cols-12 col-sm-start-2"><span>Sophia joined us in 2023 to focus on our in-house visualization library, Grapher. Previously, she worked as Data Visualization Engineer in the newsroom as part of a data journalism team at rbb|24 in Berlin. Sophia lives in Frankfurt.</span></p><div class="person-socials"><ul><li class="article-block__social-link social-link"><svg aria-hidden="true" focusable="false" data-prefix="fas" data-icon="envelope" class="svg-inline--fa fa-envelope " role="img" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512"><path fill="currentColor" d="M48 64C21.5 64 0 85.5 0 112c0 15.1 7.1 29.3 19.2 38.4L236.8 313.6c11.4 8.5 27 8.5 38.4 0L492.8 150.4c12.1-9.1 19.2-23.3 19.2-38.4c0-26.5-21.5-48-48-48L48 64zM0 176L0 384c0 35.3 28.7 64 64 64l384 0c35.3 0 64-28.7 64-64l0-208L294.4 339.2c-22.8 17.1-54 17.1-76.8 0L0 176z"></path></svg><a href="mailto:sophia@ourworldindata.org" target="_blank" rel="noopener">sophia@ourworldindata.org</a></li><li class="article-block__social-link social-link"><svg aria-hidden="true" focusable="false" data-prefix="fab" data-icon="x-twitter" class="svg-inline--fa fa-x-twitter " role="img" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512"><path fill="currentColor" d="M389.2 48h70.6L305.6 224.2 487 464H345L233.7 318.6 106.5 464H35.8L200.7 275.5 26.8 48H172.4L272.9 180.9 389.2 48zM364.4 421.8h39.1L151.1 88h-42L364.4 421.8z"></path></svg><a href="https://x.com/sophiamersmann" target="_blank" rel="noopener">@sophiamersmann</a></li></ul></div></div></div><div class="person"><div class="person-image-container"><div class="image person-image"><picture><source srcSet="https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/7a4d08b9-e39a-432b-ba11-3eedfe2db600/w=48 48w, https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/7a4d08b9-e39a-432b-ba11-3eedfe2db600/w=100 100w, https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/7a4d08b9-e39a-432b-ba11-3eedfe2db600/w=350 350w, https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/7a4d08b9-e39a-432b-ba11-3eedfe2db600/w=386 386w" type="image/png" sizes="(max-width: 960px) 95vw, (min-width: 960px) 213px"/><img src="https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/7a4d08b9-e39a-432b-ba11-3eedfe2db600/w=386" class="" loading="lazy" data-filename="MartinRacak.jpg" width="386" height="386"/></picture></div></div><div><div class="person-header"><h3 class="person-heading">Martin Račák</h3><span class="person-title">Senior Full Stack Engineer</span></div><p class="article-block__text col-start-5 span-cols-6 col-md-start-3 span-md-cols-10 span-sm-cols-12 col-sm-start-2"><span>Martin joined in 2024 to focus on improving our site and content management system. He studied computer science and previously worked in forecasting, telecommunications, and built websites for various clients.</span></p><div class="person-socials"><ul><li class="article-block__social-link social-link"><svg aria-hidden="true" focusable="false" data-prefix="fas" data-icon="envelope" class="svg-inline--fa fa-envelope " role="img" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512"><path fill="currentColor" d="M48 64C21.5 64 0 85.5 0 112c0 15.1 7.1 29.3 19.2 38.4L236.8 313.6c11.4 8.5 27 8.5 38.4 0L492.8 150.4c12.1-9.1 19.2-23.3 19.2-38.4c0-26.5-21.5-48-48-48L48 64zM0 176L0 384c0 35.3 28.7 64 64 64l384 0c35.3 0 64-28.7 64-64l0-208L294.4 339.2c-22.8 17.1-54 17.1-76.8 0L0 176z"></path></svg><a href="mailto:martin@ourworldindata.org" target="_blank" rel="noopener">martin@ourworldindata.org</a></li></ul></div></div></div><div class="person"><div class="person-image-container"><div class="image person-image"><picture><source srcSet="https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/8ef539c0-5987-4910-4f0e-5558d8394600/w=48 48w, https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/8ef539c0-5987-4910-4f0e-5558d8394600/w=100 100w, https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/8ef539c0-5987-4910-4f0e-5558d8394600/w=350 350w, https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/8ef539c0-5987-4910-4f0e-5558d8394600/w=850 850w, https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/8ef539c0-5987-4910-4f0e-5558d8394600/w=1161 1161w" type="image/png" sizes="(max-width: 960px) 95vw, (min-width: 960px) 213px"/><img src="https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/8ef539c0-5987-4910-4f0e-5558d8394600/w=1161" class="" loading="lazy" data-filename="ike-saunders-headshot.png" width="1161" height="1161"/></picture></div></div><div><div class="person-header"><h3 class="person-heading">Ike Saunders</h3><span class="person-title">Full Stack Engineer</span></div><p class="article-block__text col-start-5 span-cols-6 col-md-start-3 span-md-cols-10 span-sm-cols-12 col-sm-start-2"><span>Ike joined us in 2022. He’s a web developer originally from Aotearoa New Zealand, now based in Montreal, and if he’s not tinkering with our website’s codebase, he’s probably drumming or watering his plants.</span></p><div class="person-socials"><ul><li class="article-block__social-link social-link"><svg aria-hidden="true" focusable="false" data-prefix="fas" data-icon="envelope" class="svg-inline--fa fa-envelope " role="img" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512"><path fill="currentColor" d="M48 64C21.5 64 0 85.5 0 112c0 15.1 7.1 29.3 19.2 38.4L236.8 313.6c11.4 8.5 27 8.5 38.4 0L492.8 150.4c12.1-9.1 19.2-23.3 19.2-38.4c0-26.5-21.5-48-48-48L48 64zM0 176L0 384c0 35.3 28.7 64 64 64l384 0c35.3 0 64-28.7 64-64l0-208L294.4 339.2c-22.8 17.1-54 17.1-76.8 0L0 176z"></path></svg><a href="mailto:ike@ourworldindata.org" target="_blank" rel="noopener">ike@ourworldindata.org</a></li></ul></div></div></div></div><hr class="article-block__horizontal-rule grid col-start-2 span-cols-12"/><h2 class="h2-bold article-block__heading grid col-start-2 span-cols-12" id="operations"><span>Operations</span><a class="deep-link" href="#operations"></a></h2><div class="people people-cols-2 grid-cols-2 grid-md-cols-1 article-block__people-rows grid col-start-2 span-cols-12"><div class="person"><div class="person-image-container"><div class="image person-image"><picture><source srcSet="https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/9f3699f6-442d-4a1e-3d68-e7b938354000/w=48 48w, https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/9f3699f6-442d-4a1e-3d68-e7b938354000/w=100 100w, https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/9f3699f6-442d-4a1e-3d68-e7b938354000/w=350 350w, https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/9f3699f6-442d-4a1e-3d68-e7b938354000/w=512 512w" type="image/png" sizes="(max-width: 960px) 95vw, (min-width: 960px) 213px"/><img src="https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/9f3699f6-442d-4a1e-3d68-e7b938354000/w=512" class="" loading="lazy" data-filename="antoinette_team_page.jpeg" width="512" height="512"/></picture></div></div><div><div class="person-header"><h3 class="person-heading">Antoinette Finnegan</h3><span class="person-title">HR Manager</span></div><p class="article-block__text col-start-5 span-cols-6 col-md-start-3 span-md-cols-10 span-sm-cols-12 col-sm-start-2"><span>Antoinette joined us in 2023 as our Human Resources (HR) Manager. She most recently worked in HR for a biotech spinout, and also has experience in fundraising and marketing.</span></p><div class="person-socials"><ul><li class="article-block__social-link social-link"><svg aria-hidden="true" focusable="false" data-prefix="fas" data-icon="envelope" class="svg-inline--fa fa-envelope " role="img" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512"><path fill="currentColor" d="M48 64C21.5 64 0 85.5 0 112c0 15.1 7.1 29.3 19.2 38.4L236.8 313.6c11.4 8.5 27 8.5 38.4 0L492.8 150.4c12.1-9.1 19.2-23.3 19.2-38.4c0-26.5-21.5-48-48-48L48 64zM0 176L0 384c0 35.3 28.7 64 64 64l384 0c35.3 0 64-28.7 64-64l0-208L294.4 339.2c-22.8 17.1-54 17.1-76.8 0L0 176z"></path></svg><a href="mailto:antoinette@ourworldindata.org" target="_blank" rel="noopener">antoinette@ourworldindata.org</a></li></ul></div></div></div><div class="person"><div class="person-image-container"><div class="image person-image"><picture><source srcSet="https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/91dd6a73-3654-4d19-4d54-4cb8d2a40300/w=48 48w, https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/91dd6a73-3654-4d19-4d54-4cb8d2a40300/w=100 100w, https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/91dd6a73-3654-4d19-4d54-4cb8d2a40300/w=350 350w, https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/91dd6a73-3654-4d19-4d54-4cb8d2a40300/w=480 480w" type="image/png" sizes="(max-width: 960px) 95vw, (min-width: 960px) 213px"/><img src="https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/91dd6a73-3654-4d19-4d54-4cb8d2a40300/w=480" class="" loading="lazy" data-filename="dr-hassan-masum.png" width="480" height="480"/></picture></div></div><div><div class="person-header"><h3 class="person-heading">Dr. Hassan Masum</h3><span class="person-title">Principal Development and Strategy Counselor</span></div><p class="article-block__text col-start-5 span-cols-6 col-md-start-3 span-md-cols-10 span-sm-cols-12 col-sm-start-2"><span>Hassan has worked in diverse sectors including data leadership, global health, health R&D, collaborative technologies, foresight, research, and engineering. He has a Ph.D. in Computer Science.</span></p></div></div><div class="person"><div class="person-image-container"><div class="image person-image"><picture><source srcSet="https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/b68db5b4-57d8-458d-1ea4-451877ddcd00/w=48 48w, https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/b68db5b4-57d8-458d-1ea4-451877ddcd00/w=100 100w, https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/b68db5b4-57d8-458d-1ea4-451877ddcd00/w=350 350w, https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/b68db5b4-57d8-458d-1ea4-451877ddcd00/w=850 850w, https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/b68db5b4-57d8-458d-1ea4-451877ddcd00/w=1080 1080w" type="image/png" sizes="(max-width: 960px) 95vw, (min-width: 960px) 213px"/><img src="https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/b68db5b4-57d8-458d-1ea4-451877ddcd00/w=1080" class="" loading="lazy" data-filename="Natalie.png" width="1080" height="1080"/></picture></div></div><div><div class="person-header"><h3 class="person-heading">Natalie Reynolds-Garcia</h3><span class="person-title">Operations and Administration Officer</span></div><p class="article-block__text col-start-5 span-cols-6 col-md-start-3 span-md-cols-10 span-sm-cols-12 col-sm-start-2"><span>Natalie joined us in 2022 as Operations and Administration Officer. Her background is in research administration and education, having taught Spanish, French and English. She was previously the administrator for the Rees Centre at the University at Oxford.</span></p><div class="person-socials"><ul><li class="article-block__social-link social-link"><svg aria-hidden="true" focusable="false" data-prefix="fas" data-icon="envelope" class="svg-inline--fa fa-envelope " role="img" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512"><path fill="currentColor" d="M48 64C21.5 64 0 85.5 0 112c0 15.1 7.1 29.3 19.2 38.4L236.8 313.6c11.4 8.5 27 8.5 38.4 0L492.8 150.4c12.1-9.1 19.2-23.3 19.2-38.4c0-26.5-21.5-48-48-48L48 64zM0 176L0 384c0 35.3 28.7 64 64 64l384 0c35.3 0 64-28.7 64-64l0-208L294.4 339.2c-22.8 17.1-54 17.1-76.8 0L0 176z"></path></svg><a href="mailto:natalie@ourworldindata.org" target="_blank" rel="noopener">natalie@ourworldindata.org</a></li></ul></div></div></div><div class="person"><div class="person-image-container"><div class="image person-image"><picture><source srcSet="https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/203656fa-d8f2-4134-57ec-f7e807958200/w=48 48w, https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/203656fa-d8f2-4134-57ec-f7e807958200/w=100 100w, https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/203656fa-d8f2-4134-57ec-f7e807958200/w=350 350w, https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/203656fa-d8f2-4134-57ec-f7e807958200/w=768 768w" type="image/png" sizes="(max-width: 960px) 95vw, (min-width: 960px) 213px"/><img src="https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/203656fa-d8f2-4134-57ec-f7e807958200/w=768" class="" loading="lazy" data-filename="Valerie-headshot-e1656491769502.jpg" width="768" height="768"/></picture></div></div><div><div class="person-header"><h3 class="person-heading">Valerie Rogers Muigai</h3><span class="person-title">Senior Finance and Operations Manager</span></div><p class="article-block__text col-start-5 span-cols-6 col-md-start-3 span-md-cols-10 span-sm-cols-12 col-sm-start-2"><span>Valerie joined us in 2021 as Operations and Finance Manager. She has over a decade of experience in international development and social enterprise in East Africa and is the founder of Kijani Uganda. She has an MBA from Oxford Saïd Business School.</span></p><div class="person-socials"><ul><li class="article-block__social-link social-link"><svg aria-hidden="true" focusable="false" data-prefix="fas" data-icon="envelope" class="svg-inline--fa fa-envelope " role="img" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512"><path fill="currentColor" d="M48 64C21.5 64 0 85.5 0 112c0 15.1 7.1 29.3 19.2 38.4L236.8 313.6c11.4 8.5 27 8.5 38.4 0L492.8 150.4c12.1-9.1 19.2-23.3 19.2-38.4c0-26.5-21.5-48-48-48L48 64zM0 176L0 384c0 35.3 28.7 64 64 64l384 0c35.3 0 64-28.7 64-64l0-208L294.4 339.2c-22.8 17.1-54 17.1-76.8 0L0 176z"></path></svg><a href="mailto:valerie@ourworldindata.org" target="_blank" rel="noopener">valerie@ourworldindata.org</a></li></ul></div></div></div></div><hr class="article-block__horizontal-rule grid col-start-2 span-cols-12"/><h2 class="h2-bold article-block__heading grid col-start-2 span-cols-12" id="former-team-members"><span>Former Team Members</span><a class="deep-link" href="#former-team-members"></a></h2><div class="people people-cols-4 grid-cols-4 grid-lg-cols-2 grid-sm-cols-1 article-block__people-rows grid col-start-2 span-cols-12"><div class="person"><div><div class="person-header"><h3 class="person-heading">Dr. Lars Yencken</h3><span class="person-title">Head of Engineering</span></div><p class="article-block__text col-start-5 span-cols-6 col-md-start-3 span-md-cols-10 span-sm-cols-12 col-sm-start-2"><span>Lars was our head of engineering from 2021–2025. He previously led tech and data teams in consumer health at Grace Health and Lifesum in Stockholm and holds a Ph.D. in Computational Linguistics from the University of Melbourne.</span></p><div class="person-socials"><ul><li class="article-block__social-link social-link"><svg aria-hidden="true" focusable="false" data-prefix="fab" data-icon="x-twitter" class="svg-inline--fa fa-x-twitter " role="img" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512"><path fill="currentColor" d="M389.2 48h70.6L305.6 224.2 487 464H345L233.7 318.6 106.5 464H35.8L200.7 275.5 26.8 48H172.4L272.9 180.9 389.2 48zM364.4 421.8h39.1L151.1 88h-42L364.4 421.8z"></path></svg><a href="https://x.com/larsyencken" target="_blank" rel="noopener">@larsyencken</a></li><li class="article-block__social-link social-link"><svg aria-hidden="true" focusable="false" data-prefix="fas" data-icon="link" class="svg-inline--fa fa-link " role="img" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 640 512"><path fill="currentColor" d="M579.8 267.7c56.5-56.5 56.5-148 0-204.5c-50-50-128.8-56.5-186.3-15.4l-1.6 1.1c-14.4 10.3-17.7 30.3-7.4 44.6s30.3 17.7 44.6 7.4l1.6-1.1c32.1-22.9 76-19.3 103.8 8.6c31.5 31.5 31.5 82.5 0 114L422.3 334.8c-31.5 31.5-82.5 31.5-114 0c-27.9-27.9-31.5-71.8-8.6-103.8l1.1-1.6c10.3-14.4 6.9-34.4-7.4-44.6s-34.4-6.9-44.6 7.4l-1.1 1.6C206.5 251.2 213 330 263 380c56.5 56.5 148 56.5 204.5 0L579.8 267.7zM60.2 244.3c-56.5 56.5-56.5 148 0 204.5c50 50 128.8 56.5 186.3 15.4l1.6-1.1c14.4-10.3 17.7-30.3 7.4-44.6s-30.3-17.7-44.6-7.4l-1.6 1.1c-32.1 22.9-76 19.3-103.8-8.6C74 372 74 321 105.5 289.5L217.7 177.2c31.5-31.5 82.5-31.5 114 0c27.9 27.9 31.5 71.8 8.6 103.9l-1.1 1.6c-10.3 14.4-6.9 34.4 7.4 44.6s34.4 6.9 44.6-7.4l1.1-1.6C433.5 260.8 427 182 377 132c-56.5-56.5-148-56.5-204.5 0L60.2 244.3z"></path></svg><a href="https://lars.yencken.org" target="_blank" rel="noopener">lars.yencken.org</a></li></ul></div></div></div><div class="person"><div><div class="person-header"><h3 class="person-heading">Matt Munday</h3><span class="person-title">Communications and Outreach Strategy Lead</span></div><p class="article-block__text col-start-5 span-cols-6 col-md-start-3 span-md-cols-10 span-sm-cols-12 col-sm-start-2"><span>Matt worked with us in 2024 to enhance the visibility and reach of our research and our data. He has an extensive communications background, including roles at LSE, the Royal Institute of British Architects, and the BBC.</span></p></div></div><div class="person"><div><div class="person-header"><h3 class="person-heading">Jason Crawford</h3><span class="person-title">Software Team Lead (Part-time Advisor)</span></div><p class="article-block__text col-start-5 span-cols-6 col-md-start-3 span-md-cols-10 span-sm-cols-12 col-sm-start-2"><span>Jason Crawford is the former CEO and co-founder of Fieldbook and has been an engineering manager at companies including Amazon and Flexport. He is the author of The Roots of Progress, where he writes about the history of technology and industry.</span></p><div class="person-socials"><ul><li class="article-block__social-link social-link"><svg aria-hidden="true" focusable="false" data-prefix="fab" data-icon="x-twitter" class="svg-inline--fa fa-x-twitter " role="img" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512"><path fill="currentColor" d="M389.2 48h70.6L305.6 224.2 487 464H345L233.7 318.6 106.5 464H35.8L200.7 275.5 26.8 48H172.4L272.9 180.9 389.2 48zM364.4 421.8h39.1L151.1 88h-42L364.4 421.8z"></path></svg><a href="https://x.com/jasoncrawford" target="_blank" rel="noopener">@jasoncrawford</a></li></ul></div></div></div><div class="person"><div><div class="person-header"><h3 class="person-heading">Dr. Christian Swinehart</h3><span class="person-title">Data Visualization Lead</span></div><p class="article-block__text col-start-5 span-cols-6 col-md-start-3 span-md-cols-10 span-sm-cols-12 col-sm-start-2"><span>Christian worked with us from 2023–2024 to advance our data visualizations. His dual passions for designing elegant visualizations and developing empowering tools have brought him to design for Pentagram, develop interactives for Bloomberg and The New York Times, as well as author several open source visualization libraries. Christian holds an MFA in graphic design from RISD and a Ph.D. in computational neuroscience from Brandeis.</span></p></div></div><div class="person"><div><div class="person-header"><h3 class="person-heading">Natasha Ahuja</h3><span class="person-title">Executive Assistant to Dr. Max Roser</span></div><p class="article-block__text col-start-5 span-cols-6 col-md-start-3 span-md-cols-10 span-sm-cols-12 col-sm-start-2"><span>Natasha worked with us from 2022–2024 as Max Roser's first executive assistant. Natasha holds an MPP with a focus on international development from Georgetown University.</span></p><div class="person-socials"><ul><li class="article-block__social-link social-link"><svg aria-hidden="true" focusable="false" data-prefix="fab" data-icon="x-twitter" class="svg-inline--fa fa-x-twitter " role="img" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512"><path fill="currentColor" d="M389.2 48h70.6L305.6 224.2 487 464H345L233.7 318.6 106.5 464H35.8L200.7 275.5 26.8 48H172.4L272.9 180.9 389.2 48zM364.4 421.8h39.1L151.1 88h-42L364.4 421.8z"></path></svg><a href="https://x.com/nat_ahuja" target="_blank" rel="noopener">@nat_ahuja</a></li></ul></div></div></div><div class="person"><div><div class="person-header"><h3 class="person-heading">Dr. Matthew Conlen</h3><span class="person-title">Head of Product and Design</span></div><p class="article-block__text col-start-5 span-cols-6 col-md-start-3 span-md-cols-10 span-sm-cols-12 col-sm-start-2"><span>Matthew worked with us from 2022–2023 to help with data visualization and digital publishing efforts. He has a Ph.D. in computer science from the University of Washington and has worked on data journalism efforts at various publications including the New York Times, CNN, and FiveThirtyEight.</span></p><div class="person-socials"><ul><li class="article-block__social-link social-link"><svg aria-hidden="true" focusable="false" data-prefix="fab" data-icon="x-twitter" class="svg-inline--fa fa-x-twitter " role="img" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512"><path fill="currentColor" d="M389.2 48h70.6L305.6 224.2 487 464H345L233.7 318.6 106.5 464H35.8L200.7 275.5 26.8 48H172.4L272.9 180.9 389.2 48zM364.4 421.8h39.1L151.1 88h-42L364.4 421.8z"></path></svg><a href="https://x.com/mathisonian" target="_blank" rel="noopener">@mathisonian</a></li><li class="article-block__social-link social-link"><svg aria-hidden="true" focusable="false" data-prefix="fas" data-icon="link" class="svg-inline--fa fa-link " role="img" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 640 512"><path fill="currentColor" d="M579.8 267.7c56.5-56.5 56.5-148 0-204.5c-50-50-128.8-56.5-186.3-15.4l-1.6 1.1c-14.4 10.3-17.7 30.3-7.4 44.6s30.3 17.7 44.6 7.4l1.6-1.1c32.1-22.9 76-19.3 103.8 8.6c31.5 31.5 31.5 82.5 0 114L422.3 334.8c-31.5 31.5-82.5 31.5-114 0c-27.9-27.9-31.5-71.8-8.6-103.8l1.1-1.6c10.3-14.4 6.9-34.4-7.4-44.6s-34.4-6.9-44.6 7.4l-1.1 1.6C206.5 251.2 213 330 263 380c56.5 56.5 148 56.5 204.5 0L579.8 267.7zM60.2 244.3c-56.5 56.5-56.5 148 0 204.5c50 50 128.8 56.5 186.3 15.4l1.6-1.1c14.4-10.3 17.7-30.3 7.4-44.6s-30.3-17.7-44.6-7.4l-1.6 1.1c-32.1 22.9-76 19.3-103.8-8.6C74 372 74 321 105.5 289.5L217.7 177.2c31.5-31.5 82.5-31.5 114 0c27.9 27.9 31.5 71.8 8.6 103.9l-1.1 1.6c-10.3 14.4-6.9 34.4 7.4 44.6s34.4 6.9 44.6-7.4l1.1-1.6C433.5 260.8 427 182 377 132c-56.5-56.5-148-56.5-204.5 0L60.2 244.3z"></path></svg><a href="https://mathisonian.com" target="_blank" rel="noopener">mathisonian.com</a></li></ul></div></div></div><div class="person"><div><div class="person-header"><h3 class="person-heading">Dr. Mallika Snyder</h3><span class="person-title">Researcher (Part-time)</span></div><p class="article-block__text col-start-5 span-cols-6 col-md-start-3 span-md-cols-10 span-sm-cols-12 col-sm-start-2"><span>Mallika worked with us from 2022–2023 as a researcher focusing on demography and public health-related topics. She holds an MA degree in Statistics and a PhD in Demography from UC Berkeley.</span></p><div class="person-socials"><ul><li class="article-block__social-link social-link"><svg aria-hidden="true" focusable="false" data-prefix="fas" data-icon="link" class="svg-inline--fa fa-link " role="img" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 640 512"><path fill="currentColor" d="M579.8 267.7c56.5-56.5 56.5-148 0-204.5c-50-50-128.8-56.5-186.3-15.4l-1.6 1.1c-14.4 10.3-17.7 30.3-7.4 44.6s30.3 17.7 44.6 7.4l1.6-1.1c32.1-22.9 76-19.3 103.8 8.6c31.5 31.5 31.5 82.5 0 114L422.3 334.8c-31.5 31.5-82.5 31.5-114 0c-27.9-27.9-31.5-71.8-8.6-103.8l1.1-1.6c10.3-14.4 6.9-34.4-7.4-44.6s-34.4-6.9-44.6 7.4l-1.1 1.6C206.5 251.2 213 330 263 380c56.5 56.5 148 56.5 204.5 0L579.8 267.7zM60.2 244.3c-56.5 56.5-56.5 148 0 204.5c50 50 128.8 56.5 186.3 15.4l1.6-1.1c14.4-10.3 17.7-30.3 7.4-44.6s-30.3-17.7-44.6-7.4l-1.6 1.1c-32.1 22.9-76 19.3-103.8-8.6C74 372 74 321 105.5 289.5L217.7 177.2c31.5-31.5 82.5-31.5 114 0c27.9 27.9 31.5 71.8 8.6 103.9l-1.1 1.6c-10.3 14.4-6.9 34.4 7.4 44.6s34.4 6.9 44.6-7.4l1.1-1.6C433.5 260.8 427 182 377 132c-56.5-56.5-148-56.5-204.5 0L60.2 244.3z"></path></svg><a href="https://mallikasnyder.github.io" target="_blank" rel="noopener">mallikasnyder.github.io</a></li></ul></div></div></div><div class="person"><div><div class="person-header"><h3 class="person-heading">Daniel Gavrilov</h3><span class="person-title">Software Engineer</span></div><p class="article-block__text col-start-5 span-cols-6 col-md-start-3 span-md-cols-10 span-sm-cols-12 col-sm-start-2"><span>Daniel worked as a software engineer for OWID from 2018-2022. He helped develop the OWID-Grapher and maintained the website as well as the automated fetchers that keep our datasets up to date.</span></p></div></div><div class="person"><div><div class="person-header"><h3 class="person-heading">Julia Broden</h3><span class="person-title">Data Analyst</span></div><p class="article-block__text col-start-5 span-cols-6 col-md-start-3 span-md-cols-10 span-sm-cols-12 col-sm-start-2"><span>Julia worked with us as a data analyst in 2022. She helped us with our page on Artificial Intelligence.</span></p></div></div><div class="person"><div><div class="person-header"><h3 class="person-heading">Jaiden Mispy</h3><span class="person-title">Web Developer</span></div><p class="article-block__text col-start-5 span-cols-6 col-md-start-3 span-md-cols-10 span-sm-cols-12 col-sm-start-2"><span>Jaiden developed the website between 2016 and 2019, taking the data visualization prototype built by Zdenek and turning it into a production system.</span></p></div></div><div class="person"><div><div class="person-header"><h3 class="person-heading">Cameron Appel</h3><span class="person-title">Data Analyst</span></div><p class="article-block__text col-start-5 span-cols-6 col-md-start-3 span-md-cols-10 span-sm-cols-12 col-sm-start-2"><span>Cameron worked with us from 2019-2022 as a research assistant and a data analyst. He has a BA in economics from Columbia University.</span></p><div class="person-socials"><ul><li class="article-block__social-link social-link"><svg aria-hidden="true" focusable="false" data-prefix="fab" data-icon="x-twitter" class="svg-inline--fa fa-x-twitter " role="img" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512"><path fill="currentColor" d="M389.2 48h70.6L305.6 224.2 487 464H345L233.7 318.6 106.5 464H35.8L200.7 275.5 26.8 48H172.4L272.9 180.9 389.2 48zM364.4 421.8h39.1L151.1 88h-42L364.4 421.8z"></path></svg><a href="https://x.com/appel_cam" target="_blank" rel="noopener">@appel_cam</a></li></ul></div></div></div><div class="person"><div><div class="person-header"><h3 class="person-heading">Aibek Aldabergenov</h3><span class="person-title">Web Developer</span></div><p class="article-block__text col-start-5 span-cols-6 col-md-start-3 span-md-cols-10 span-sm-cols-12 col-sm-start-2"><span>Aibek worked on the database that stores our global development data. Among other projects he developed tools that automatically fetch global development data to keep our publication up to date.</span></p></div></div><div class="person"><div><div class="person-header"><h3 class="person-heading">Shahid Ahmad</h3><span class="person-title">Software Engineer</span></div><p class="article-block__text col-start-5 span-cols-6 col-md-start-3 span-md-cols-10 span-sm-cols-12 col-sm-start-2"><span>Shahid worked with us in 2020. He helped us build our data visualization and exploration tools. He previously led product development at Jasmine, a conversational AI startup.</span></p></div></div><div class="person"><div><div class="person-header"><h3 class="person-heading">Anstey Brock</h3><span class="person-title">Research Assistant</span></div><p class="article-block__text col-start-5 span-cols-6 col-md-start-3 span-md-cols-10 span-sm-cols-12 col-sm-start-2"><span>Anstey joined us as a research assistant in December 2018. She has a graduate degree in International Development and Conflict, as well as past experience as a survey researcher. She worked with us on an extensive database on the history of war.</span></p></div></div><div class="person"><div><div class="person-header"><h3 class="person-heading">Lindsay Lee</h3><span class="person-title">Research Assistant</span></div><p class="article-block__text col-start-5 span-cols-6 col-md-start-3 span-md-cols-10 span-sm-cols-12 col-sm-start-2"><span>Lindsay worked with us as a research assistant in 2015. She helped expand content across the site, especially in health and demographics. Lindsay completed her Master of Public Policy and MSc in Applied Statistics at the University of Oxford as a Rhodes Scholar.</span></p><div class="person-socials"><ul><li class="article-block__social-link social-link"><svg aria-hidden="true" focusable="false" data-prefix="fas" data-icon="link" class="svg-inline--fa fa-link " role="img" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 640 512"><path fill="currentColor" d="M579.8 267.7c56.5-56.5 56.5-148 0-204.5c-50-50-128.8-56.5-186.3-15.4l-1.6 1.1c-14.4 10.3-17.7 30.3-7.4 44.6s30.3 17.7 44.6 7.4l1.6-1.1c32.1-22.9 76-19.3 103.8 8.6c31.5 31.5 31.5 82.5 0 114L422.3 334.8c-31.5 31.5-82.5 31.5-114 0c-27.9-27.9-31.5-71.8-8.6-103.8l1.1-1.6c10.3-14.4 6.9-34.4-7.4-44.6s-34.4-6.9-44.6 7.4l-1.1 1.6C206.5 251.2 213 330 263 380c56.5 56.5 148 56.5 204.5 0L579.8 267.7zM60.2 244.3c-56.5 56.5-56.5 148 0 204.5c50 50 128.8 56.5 186.3 15.4l1.6-1.1c14.4-10.3 17.7-30.3 7.4-44.6s-30.3-17.7-44.6-7.4l-1.6 1.1c-32.1 22.9-76 19.3-103.8-8.6C74 372 74 321 105.5 289.5L217.7 177.2c31.5-31.5 82.5-31.5 114 0c27.9 27.9 31.5 71.8 8.6 103.9l-1.1 1.6c-10.3 14.4-6.9 34.4 7.4 44.6s34.4 6.9 44.6-7.4l1.1-1.6C433.5 260.8 427 182 377 132c-56.5-56.5-148-56.5-204.5 0L60.2 244.3z"></path></svg><a href="https://lindsayevanslee.com" target="_blank" rel="noopener">LindsayEvansLee.com</a></li></ul></div></div></div><div class="person"><div><div class="person-header"><h3 class="person-heading">Mohamed Nagdy</h3><span class="person-title">Research Assistant</span></div><p class="article-block__text col-start-5 span-cols-6 col-md-start-3 span-md-cols-10 span-sm-cols-12 col-sm-start-2"><span>Mohamed worked with us as a research assistant in 2015. He helped expand content on the growth and distribution of incomes, economic development, violence, and education. Mohamed graduated from the University of Oxford with a MPhil in Economics.</span></p></div></div><div class="person"><div><div class="person-header"><h3 class="person-heading">Sandra Tzvetkova</h3><span class="person-title">Researcher and editor</span></div><p class="article-block__text col-start-5 span-cols-6 col-md-start-3 span-md-cols-10 span-sm-cols-12 col-sm-start-2"><span>Sandra contributed research on gender aspects of development, edited the content of our publication, and managed our social media accounts.</span></p><div class="person-socials"><ul><li class="article-block__social-link social-link"><svg aria-hidden="true" focusable="false" data-prefix="fab" data-icon="x-twitter" class="svg-inline--fa fa-x-twitter " role="img" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512"><path fill="currentColor" d="M389.2 48h70.6L305.6 224.2 487 464H345L233.7 318.6 106.5 464H35.8L200.7 275.5 26.8 48H172.4L272.9 180.9 389.2 48zM364.4 421.8h39.1L151.1 88h-42L364.4 421.8z"></path></svg><a href="https://x.com/sandttz" target="_blank" rel="noopener">@sandttz</a></li></ul></div></div></div><div class="person"><div><div class="person-header"><h3 class="person-heading">Ruby Mittal</h3><span class="person-title">Research Assistant</span></div><p class="article-block__text col-start-5 span-cols-6 col-md-start-3 span-md-cols-10 span-sm-cols-12 col-sm-start-2"><span>Ruby worked with us as a part-time research assistant and supported our research on the long-term history of global development.</span></p></div></div><div class="person"><div><div class="person-header"><h3 class="person-heading">Sophie Ochmann</h3><span class="person-title">Research Assistant</span></div><p class="article-block__text col-start-5 span-cols-6 col-md-start-3 span-md-cols-10 span-sm-cols-12 col-sm-start-2"><span>Sophie worked with us in 2017 and 2018 and was researching topics in global health, including the history of polio and smallpox.</span></p><div class="person-socials"><ul><li class="article-block__social-link social-link"><svg aria-hidden="true" focusable="false" data-prefix="fab" data-icon="x-twitter" class="svg-inline--fa fa-x-twitter " role="img" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512"><path fill="currentColor" d="M389.2 48h70.6L305.6 224.2 487 464H345L233.7 318.6 106.5 464H35.8L200.7 275.5 26.8 48H172.4L272.9 180.9 389.2 48zM364.4 421.8h39.1L151.1 88h-42L364.4 421.8z"></path></svg><a href="https://x.com/sophie_ochmann" target="_blank" rel="noopener">@sophie_ochmann</a></li></ul></div></div></div><div class="person"><div><div class="person-header"><h3 class="person-heading">Marco Molteni</h3><span class="person-title">Research Assistant</span></div><p class="article-block__text col-start-5 span-cols-6 col-md-start-3 span-md-cols-10 span-sm-cols-12 col-sm-start-2"><span>Marco worked with us as a research assistant in 2017. He is an economic historian and worked with us on the long-term evolution of public spending, health spending, and economic development.</span></p></div></div><div class="person"><div><div class="person-header"><h3 class="person-heading">Zdenek Hynek</h3><span class="person-title">Web Developer</span></div><p class="article-block__text col-start-5 span-cols-6 col-md-start-3 span-md-cols-10 span-sm-cols-12 col-sm-start-2"><span>Zdenek was the first web developer in our team and built the initial prototype of OWID-Grapher in 2015.</span></p><div class="person-socials"><ul><li class="article-block__social-link social-link"><svg aria-hidden="true" focusable="false" data-prefix="fas" data-icon="link" class="svg-inline--fa fa-link " role="img" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 640 512"><path fill="currentColor" d="M579.8 267.7c56.5-56.5 56.5-148 0-204.5c-50-50-128.8-56.5-186.3-15.4l-1.6 1.1c-14.4 10.3-17.7 30.3-7.4 44.6s30.3 17.7 44.6 7.4l1.6-1.1c32.1-22.9 76-19.3 103.8 8.6c31.5 31.5 31.5 82.5 0 114L422.3 334.8c-31.5 31.5-82.5 31.5-114 0c-27.9-27.9-31.5-71.8-8.6-103.8l1.1-1.6c10.3-14.4 6.9-34.4-7.4-44.6s-34.4-6.9-44.6 7.4l-1.1 1.6C206.5 251.2 213 330 263 380c56.5 56.5 148 56.5 204.5 0L579.8 267.7zM60.2 244.3c-56.5 56.5-56.5 148 0 204.5c50 50 128.8 56.5 186.3 15.4l1.6-1.1c14.4-10.3 17.7-30.3 7.4-44.6s-30.3-17.7-44.6-7.4l-1.6 1.1c-32.1 22.9-76 19.3-103.8-8.6C74 372 74 321 105.5 289.5L217.7 177.2c31.5-31.5 82.5-31.5 114 0c27.9 27.9 31.5 71.8 8.6 103.9l-1.1 1.6c-10.3 14.4-6.9 34.4 7.4 44.6s34.4 6.9 44.6-7.4l1.1-1.6C433.5 260.8 427 182 377 132c-56.5-56.5-148-56.5-204.5 0L60.2 244.3z"></path></svg><a href="https://geographics.cz" target="_blank" rel="noopener">@geographics.cz</a></li></ul></div></div></div><div class="person"><div><div class="person-header"><h3 class="person-heading">Julia Murphy</h3><span class="person-title">Research Assistant</span></div><p class="article-block__text col-start-5 span-cols-6 col-md-start-3 span-md-cols-10 span-sm-cols-12 col-sm-start-2"><span>Julia worked with us as a research assistant in the summer of 2015 and helped to expand the entry about the internet.</span></p></div></div><div class="person"><div><div class="person-header"><h3 class="person-heading">Diana Beltekian</h3><span class="person-title">Research Assistant</span></div><p class="article-block__text col-start-5 span-cols-6 col-md-start-3 span-md-cols-10 span-sm-cols-12 col-sm-start-2"><span>Diana joined us a research assistant in 2017 with a focus on the long-term history of a large number of aspects including trade, education and technological change.</span></p><div class="person-socials"><ul><li class="article-block__social-link social-link"><svg aria-hidden="true" focusable="false" data-prefix="fab" data-icon="x-twitter" class="svg-inline--fa fa-x-twitter " role="img" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512"><path fill="currentColor" d="M389.2 48h70.6L305.6 224.2 487 464H345L233.7 318.6 106.5 464H35.8L200.7 275.5 26.8 48H172.4L272.9 180.9 389.2 48zM364.4 421.8h39.1L151.1 88h-42L364.4 421.8z"></path></svg><a href="https://x.com/diana_beltekian" target="_blank" rel="noopener">@diana_beltekian</a></li></ul></div></div></div><div class="person"><div><div class="person-header"><h3 class="person-heading">Ernst-Jan van Woerden</h3><span class="person-title">Head of Product Design</span></div><p class="article-block__text col-start-5 span-cols-6 col-md-start-3 span-md-cols-10 span-sm-cols-12 col-sm-start-2"><span>Ernst joined the team as Head of Product Design in 2020. He is a designer at the intersection of data and storytelling and focused on product planning, strategy, maintenance and performance.</span></p></div></div><div class="person"><div><div class="person-header"><h3 class="person-heading">Sonya Bhatt</h3><span class="person-title">Administrative and Finance Officer</span></div><p class="article-block__text col-start-5 span-cols-6 col-md-start-3 span-md-cols-10 span-sm-cols-12 col-sm-start-2"><span>Sonya joined the team in 2018 and supported our work on the administrative and financial side.</span></p></div></div><div class="person"><div><div class="person-header"><h3 class="person-heading">Breck Yunits</h3><span class="person-title">Software Engineer</span></div><p class="article-block__text col-start-5 span-cols-6 col-md-start-3 span-md-cols-10 span-sm-cols-12 col-sm-start-2"><span>Breck joined in 2020 as a Senior Software Engineer and helped us to extend and maintain the Grapher and database.</span></p></div></div></div><hr class="article-block__horizontal-rule grid col-start-2 span-cols-12"/><h2 class="h2-bold article-block__heading grid col-start-2 span-cols-12" id="contributors"><span>Contributors</span><a class="deep-link" href="#contributors"></a></h2><div class="people people-cols-4 grid-cols-4 grid-lg-cols-2 grid-sm-cols-1 article-block__people-rows grid col-start-2 span-cols-12"><div class="person"><div><div class="person-header"><h3 class="person-heading">Brian Nolan</h3><span class="person-title">Contributor</span></div><p class="article-block__text col-start-5 span-cols-6 col-md-start-3 span-md-cols-10 span-sm-cols-12 col-sm-start-2"><span>Professor Brian Nolan from the University of Oxford collaborated with us on the entry of incomes across the income distribution.</span></p></div></div><div class="person"><div><div class="person-header"><h3 class="person-heading">Stefan Thewissen</h3><span class="person-title">Contributor</span></div><p class="article-block__text col-start-5 span-cols-6 col-md-start-3 span-md-cols-10 span-sm-cols-12 col-sm-start-2"><span>Stefan Thewissen from the University of Oxford collaborated with us on the entry of incomes across the income distribution.</span></p><div class="person-socials"><ul><li class="article-block__social-link social-link"><svg aria-hidden="true" focusable="false" data-prefix="fab" data-icon="x-twitter" class="svg-inline--fa fa-x-twitter " role="img" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512"><path fill="currentColor" d="M389.2 48h70.6L305.6 224.2 487 464H345L233.7 318.6 106.5 464H35.8L200.7 275.5 26.8 48H172.4L272.9 180.9 389.2 48zM364.4 421.8h39.1L151.1 88h-42L364.4 421.8z"></path></svg><a href="https://x.com/ThewissenS" target="_blank" rel="noopener">@ThewissenS</a></li></ul></div></div></div><div class="person"><div><div class="person-header"><h3 class="person-heading">Samantha Vanderslott</h3><span class="person-title">Contributor</span></div><p class="article-block__text col-start-5 span-cols-6 col-md-start-3 span-md-cols-10 span-sm-cols-12 col-sm-start-2"><span>Samantha Vanderslott from the Oxford Vaccine Group and the Oxford Martin School collaborated with us on vaccinations.</span></p></div></div><div class="person"><div><div class="person-header"><h3 class="person-heading">Nicolas Lippolis</h3><span class="person-title">Contributor</span></div><p class="article-block__text col-start-5 span-cols-6 col-md-start-3 span-md-cols-10 span-sm-cols-12 col-sm-start-2"><span>Nicolas Lippolis from the Centre for the Study of African Economies at the University of Oxford collaborated with us on the structural transformation of economies.</span></p></div></div><div class="person"><div><div class="person-header"><h3 class="person-heading">Hannah Behrens</h3><span class="person-title">Contributor</span></div><p class="article-block__text col-start-5 span-cols-6 col-md-start-3 span-md-cols-10 span-sm-cols-12 col-sm-start-2"><span>Hannah Behrens from the Department of Biochemistry at the University of Oxford studies infectious diseases and antibiotics. 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