Contact Us | The Division of Physics, Mathematics and Astronomy

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</div> </nav> <nav class="secondary-menu"> </nav> </div> <section id="content" data-page-id="4899" class="content flex-page"> <h1 class="content__title flexpage__title">Contact Us</h1> <div class="block-FancyRichTextBlock"> <div class="fancy-rich-text " > <div class="rich-text"><p>Postal mail can be sent to individuals using the mail code ("M/C") shown, in this format:</p> <p><em>Name</em><br/>Caltech<br/>Mail Code <em>M/C</em><br/>Pasadena, CA 91125</p> <p>Individuals may be reached by phone at 626-395-<em>Ext.</em></p> <p>For questions or website feedback, please contact pma_web聽@聽caltech.edu.</p> <p>聽</p> <p></p> <hr/> <p>聽</p> <table align="center" border="0" cellpadding="5" width="900"> <tbody> <tr> <td width="410"> <h2><a name="division"></a>Division Administration</h2> </td> <td width="150"><strong>Name</strong></td> <td width="50"><strong>Ext.</strong></td> <td width="70"><strong>M/C</strong></td> <td width="120"><strong>Email</strong></td> </tr> <tr> <td>Division Chair</td> 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<tr> <td valign="top">Administrator聽</td> <td>Gita Patel</td> <td>4169</td> <td>249-17</td> <td>gp聽@聽astro.caltech</td> </tr> <tr> <td valign="top">Assistant</td> <td>Judy McClain</td> <td>4970</td> <td>249-17</td> <td>jlm @聽astro.caltech</td> </tr> <tr> <td colspan="5">聽</td> </tr> <tr> <td colspan="5"> <h2><a name="research"></a>Research Administration</h2> </td> </tr> <tr> <td><strong>PHYSICS</strong></td> <td><strong>Name</strong></td> <td><strong>Ext.</strong></td> <td><strong>M/C</strong></td> <td><strong>Email</strong></td> </tr> <tr> <td><strong>Condensed Matter Physics</strong> (Bridge Annex & West Bridge)</td> <td>Loly Ekmekjian<br/>Stephanie Malin<br/>Annika Keating</td> <td>4314<br/>6611<br/>6115</td> <td>149-33<br/>103-33<br/>103-33</td> <td>loly聽@聽caltech<br/>smalin @聽caltech<br/>akeating @ caltech</td> </tr> <tr> <td><strong>High Energy Physics</strong> (Lauritsen)</td> <td>Tracy Sheffer<br/> Leona Kershaw </td> <td>4116<br/> 4515 </td> <td>356-48<br/>356-48</td> <td>tsheffer @ caltech<br/> lkershaw @ caltech </td> </tr> <tr> <td><strong>Infrared Astronomy</strong> (Cahill)</td> <td>Judy McClain</td> <td>4970</td> <td>249-17</td> <td>jlm @聽astro.caltech</td> </tr> <tr> <td><strong>Institute for Quantum Information</strong> (Annenberg)</td> <td>Bonnie Leung</td> <td>2933</td> <td>149-33</td> <td>bjleung @聽caltech</td> </tr> <tr> <td><strong>Institute for Quantum Information & Matter</strong> (West Bridge)</td> <td>Marcia Brown<br/>Bonnie Leung</td> <td>4013<br/>2933</td> <td>103-33<br/>149-33</td> <td>marcia.brown聽@聽caltech<br/>bjleung @ caltech</td> </tr> <tr> <td><strong>IPAC</strong> (Morrisroe)</td> <td>Narot Piric<br/>Nancy Paradise</td> <td>1802<br/>1810</td> <td>100-22<br/>100-22</td> <td>nbahar聽@聽ipac.caltech<br/>paradise @ caltech</td> </tr> <tr> <td><br/></td><td></td><td></td><td></td><td><br/></td> </tr> <tr> <td><strong>LIGO -聽Assistant to the Executive Director &聽Deputy Director</strong> (East Bridge)</td> <td>Nately Sych</td> <td>3064</td> <td>100-36</td> <td>nsych @ caltech</td> </tr> <tr> <td><strong>Low Temperature Physics </strong>(Bridge Annex)</td> <td>Loly Ekmekjian</td> <td>4314</td> <td>149-33</td> <td>loly聽@聽caltech</td> </tr> <tr> <td><strong>Nuclear Physics</strong> (Kellogg Lab)</td> <td>Leona Kershaw</td> <td>4515</td> <td>106-38</td> <td>lkershaw聽@聽caltech</td> </tr> <tr> <td><strong>Numerical Relativity</strong> (Cahill)</td> <td>JoAnn Boyd</td> <td>4280</td> <td>350-17</td> <td>joann聽@聽caltech</td> </tr> <tr> <td><strong>Observational Cosmology</strong> (Cahill)</td> <td>Shelly Aguda</td> <td>6608</td> <td>367-17</td> <td>saguda @ caltech</td> </tr> <tr> <td><strong>SPHEREx</strong> (Cahill)</td> <td>Shelly Aguda</td> <td>6608</td> <td>367-17</td> <td>saguda @ caltech</td> </tr> <tr> <td><strong>Spitzer Science Center</strong> (Keith Spalding)</td> <td>Narot Piric</td> <td>1802</td> <td>100-22</td> <td>npiric @ ipac.caltech<br/></td> </tr> <tr> <td><strong>Space Radiation Laboratory (SRL)</strong> (Cahill)</td> <td>Kendall Kleinberg</td> <td>6611</td> <td>290-17</td> <td>kendallk @聽caltech</td> </tr> <tr> <td><strong>Space Astrophysics</strong> (Cahill)</td> <td>Gita Patel</td> <td><span>4169</span></td> <td><span>249-17</span></td> <td>gp @ astro.caltech</td> </tr> <tr> <td><strong>Submillimeter Astrophysics</strong> (Cahill)</td> <td>Shelly Aguda</td> <td>6611</td> <td>290-17</td> <td>saguda聽 @聽caltech</td> </tr> <tr> <td><strong>Theoretical Astrophysics Including Relativity & Cosmology (TAPIR) </strong>(Cahill)</td> <td>JoAnn Boyd</td> <td>4280</td> <td>350-17</td> <td>joann聽@聽caltech</td> </tr> <tr> <td><strong>Theoretical High Energy Physics</strong> (Lauritsen)</td> <td>Carol Silberstein</td> <td>6685</td> <td>452-48</td> <td>carol聽@聽theory.caltech</td> </tr> <tr> <td><strong>Dark Matter & Dark Energy Observation & Instrumentation</strong> (Cahill)</td> <td>Shelly Aguda</td> <td>6608</td> <td>367-17</td> <td>saguda聽 @聽caltech</td> </tr> <tr> </tr> <tr> <td><strong>MATHEMATICS</strong></td> <td><strong>Name</strong></td> <td><strong>Ext.</strong></td> <td><strong>M/C</strong></td> <td><strong>Email</strong></td> </tr> <tr> <td><strong>Mathematics Administrative Staff Offices</strong></td> <td>Michelle Vine<br/>Camryn Good</td> <td>3817<br/><span>3310</span></td> <td>253-37<br/>253-37</td> <td>vine @聽caltech<br/>cgood @ caltech</td> </tr> <tr> <td><strong>ASTRONOMY</strong></td> <td><strong>Name</strong></td> <td><strong>Ext.</strong></td> <td><strong>M/C</strong></td> <td><strong>Email</strong></td> </tr> <tr> <td><strong>Astronomy Department</strong></td> <td>Gita Patel<br/>Judy McClain</td> <td>4169<br/>4970</td> <td>249-17<br/>249-17</td> <td>gp聽@聽astro.caltech<br/>jlm聽@聽astro.caltech</td> </tr> <tr> <td><strong>Caltech Optical Observatories</strong></td> <td>Lesly Nunez</td> <td>3911</td> <td>11-17</td> <td>lesly @聽astro.caltech</td> </tr> <tr> <td><strong>Palomar Observatory</strong></td> <td>Kajsa Peffer (Off-site)</td> <td>760-742-2100</td> <td>11-17PAL</td> <td>kvp @ astro.caltech</td> </tr> <tr> <td><strong>Radio Astronomy, OVRO</strong></td> <td>Stephanie Cha-Ramos</td> <td>3886</td> <td>249-17</td> <td>charamos @ caltech</td> </tr> <tr> <td><strong>Thirty Meter Telescope</strong>聽(TMT)</td> <td>Holly Novack</td> <td>1602</td> <td>102-8</td> <td>hnovack聽@聽caltech</td> </tr> <tr> <td>聽</td> <td>聽</td> <td>聽</td> <td>聽</td> <td>聽</td> </tr> <tr> <td width="430"> <h2><a name="centers"></a>Research Center Directors</h2> </td> <td width="150"><strong>Name</strong></td> <td width="50"><strong>Ext.</strong></td> <td width="70"><strong>M/C</strong></td> <td width="100"><strong>Email</strong></td> </tr> <tr> <td><strong><a data-original-title="" href="http://www.astro.caltech.edu/observatories/coo/" target="_blank" title="">Caltech Optical Observatories</a></strong> (COO) - Director</td> <td>Christopher Martin</td> <td>4243</td> <td>274-17</td> <td>coo-director @聽astro.caltech</td> </tr> <tr> <td><strong><a href="http://cso.caltech.edu/" target="_blank">Caltech Submillimeter Observatory</a></strong> (CSO) - Director</td> <td>Sunil Golwala</td> <td>8003</td> <td>367-17</td> <td>golwala聽@聽caltech</td> </tr> <tr> <td><strong><a data-original-title="" href="http://cd3.caltech.edu/" target="_blank" title="">Center for Data Driven Discovery </a></strong>(CDDD) - Director</td> <td>George Djorgovski</td> <td>4415</td> <td>249-17</td> <td>george聽@聽astro.caltech</td> </tr> <tr> <td><strong><a href="http://www.astro.caltech.edu/chajnantor/" target="_blank">Chajnantor Observatory</a></strong> - Director</td> <td>Simon Radford</td> <td>3741</td> <td>301-17</td> <td>sradford聽@聽caltech</td> </tr> <tr> <td><strong><a data-original-title="" href="http://www.ipac.caltech.edu/" target="_blank" title="">IPAC</a> </strong> - Executive Director</td> <td>George Helou</td> <td>1900</td> <td>100-22</td> <td>gxh聽@聽ipac.caltech</td> </tr> <tr> <td><strong><a href="http://www.kni.caltech.edu/" target="_blank">Kavli Nanoscience Institute</a></strong> (KNI) - Co-Directors</td> <td>Oskar Painter<br/>Nai-Chang Yeh</td> <td>8008<br/>4313</td> <td>128-95<br/>149-33</td> <td>opainter聽@聽caltech<br/>ncyeh聽@聽caltech</td> </tr> <tr> <td><strong><a href="http://www.ligo.caltech.edu/" target="_blank">Laser Interferometer Gravitational Wave Observatory</a></strong> (LIGO) - Executive Director</td> <td>David Reitze</td> <td>6274</td> <td>100-36</td> <td>dreitze聽@聽caltech</td> </tr> <tr> <td><strong><a href="https://nexsci.caltech.edu/contact/" target="_blank">Michelson Science Center</a></strong> (MSC) - Director</td> <td>Shrinivas R. Kulkarni</td> <td>4010</td> <td>249-17</td> <td>srk聽@聽astro.caltech</td> </tr> <tr> <td><strong><a href="http://www.ovro.caltech.edu/" target="_blank">Owens Valley Radio Observatory</a></strong> (OVRO) - Director</td> <td>Gregg Hallinan</td> <td>4726</td> <td>249-17</td> <td>gh @聽astro.caltech</td> </tr> <tr> <td><strong><a href="http://www.spitzer.caltech.edu/" target="_blank">Spitzer Science Center</a></strong> (SSC) - Director</td> <td>B. Thomas Soifer</td> <td>4241</td> <td>103-33</td> <td>bts聽@聽astro.caltech</td> </tr> <tr> <td><br/></td><td></td><td></td><td></td><td><br/></td></tr></tbody></table> <p>聽</p></div> </div> </div> </section> </div> </div> <footer class="ct-pushable footer"> <div class="footer__content-wrapper responsive-container"> <ul class="footer__custom-menu custom-menu"> <li> <a href="/about/contact-us">Contact Us</a> </li> <li> <a href="/cdn-cgi/l/email-protection#f7879a96a8809295b794969b8392949fd9929382">Feedback</a> </li> <li> <a href="/claimed-copyright-infringement">Claimed Copyright Infringement</a> </li> <li> <a href="https://www.caltech.edu/digital-accessibility">Digital Accessibility</a> </li> <li> <a href="https://www.caltech.edu/privacy-notice">Privacy Notice</a> </li> </ul> <div class="footer__login-status"> <a href="https://pma.caltech.edu/admin/login/">Log in</a> </div> <div class="footer__site-title"> <a class="footer__link footer__caltech-link" href="https://www.caltech.edu">Caltech</a> - The Division of Physics, Mathematics and Astronomy </div> <div class="footer__address"> 1200 E California Blvd, Pasadena CA 91125 </div> <div class="footer__other-contact-info"> </div> <div class="footer__copyright"> <a href="https://www.caltech.edu/claimed-copyright-infringement">Unless otherwise noted, all site content © 2025 California Institute of Technology</a> </div> </div> </footer> <script data-cfasync="false" src="/cdn-cgi/scripts/5c5dd728/cloudflare-static/email-decode.min.js"></script></body> </html>

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