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id="pt-sitesupport" class="user-links-collapsible-item mw-list-item"><a href="//donate.wikimedia.org/wiki/Special:FundraiserRedirector?utm_source=donate&utm_medium=sidebar&utm_campaign=C13_ja.wikipedia.org&uselang=ja"><span>寄付</span></a></li><li id="pt-createaccount" class="user-links-collapsible-item mw-list-item"><a href="/w/index.php?title=%E7%89%B9%E5%88%A5:%E3%82%A2%E3%82%AB%E3%82%A6%E3%83%B3%E3%83%88%E4%BD%9C%E6%88%90&returnto=%E5%8F%A4%E9%96%A2%E7%BE%A9%E5%B9%B8" title="アカウントを作成してログインすることをお勧めしますが、必須ではありません"><span class="vector-icon mw-ui-icon-userAdd mw-ui-icon-wikimedia-userAdd"></span> <span>アカウント作成</span></a></li><li id="pt-login" class="user-links-collapsible-item mw-list-item"><a href="/w/index.php?title=%E7%89%B9%E5%88%A5:%E3%83%AD%E3%82%B0%E3%82%A4%E3%83%B3&returnto=%E5%8F%A4%E9%96%A2%E7%BE%A9%E5%B9%B8" title="ログインすることを推奨します。ただし、必須ではありません。 [o]" accesskey="o"><span class="vector-icon mw-ui-icon-logIn mw-ui-icon-wikimedia-logIn"></span> <span>ログイン</span></a></li> </ul> </div> </div> <div id="p-user-menu-anon-editor" class="vector-menu mw-portlet mw-portlet-user-menu-anon-editor" > <div class="vector-menu-heading"> ログアウトした編集者のページ <a href="/wiki/Wikipedia:%E3%82%A6%E3%82%A3%E3%82%AD%E3%83%9A%E3%83%87%E3%82%A3%E3%82%A2%E3%81%B8%E3%82%88%E3%81%86%E3%81%93%E3%81%9D" aria-label="編集の詳細"><span>もっと詳しく</span></a> </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="pt-anoncontribs" class="mw-list-item"><a href="/wiki/%E7%89%B9%E5%88%A5:%E8%87%AA%E5%88%86%E3%81%AE%E6%8A%95%E7%A8%BF%E8%A8%98%E9%8C%B2" title="このIPアドレスからなされた編集の一覧 [y]" accesskey="y"><span>投稿記録</span></a></li><li id="pt-anontalk" class="mw-list-item"><a href="/wiki/%E7%89%B9%E5%88%A5:%E3%83%88%E3%83%BC%E3%82%AF%E3%83%9A%E3%83%BC%E3%82%B8" title="このIPアドレスからなされた編集についての議論 [n]" accesskey="n"><span>トーク</span></a></li> </ul> </div> </div> </div> </div> </nav> </div> </header> </div> <div class="mw-page-container"> <div class="mw-page-container-inner"> <div class="vector-sitenotice-container"> <div id="siteNotice"></div> </div> <div class="vector-column-start"> <div class="vector-main-menu-container"> <div id="mw-navigation"> <nav id="mw-panel" class="vector-main-menu-landmark" aria-label="サイト"> <div id="vector-main-menu-pinned-container" class="vector-pinned-container"> </div> </nav> </div> </div> <div class="vector-sticky-pinned-container"> <nav id="mw-panel-toc" aria-label="目次" data-event-name="ui.sidebar-toc" class="mw-table-of-contents-container vector-toc-landmark"> <div id="vector-toc-pinned-container" class="vector-pinned-container"> <div id="vector-toc" class="vector-toc vector-pinnable-element"> <div class="vector-pinnable-header vector-toc-pinnable-header vector-pinnable-header-pinned" data-feature-name="toc-pinned" data-pinnable-element-id="vector-toc" > <h2 class="vector-pinnable-header-label">目次</h2> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-toc.pin">サイドバーに移動</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-toc.unpin">非表示</button> </div> <ul class="vector-toc-contents" id="mw-panel-toc-list"> <li id="toc-mw-content-text" class="vector-toc-list-item vector-toc-level-1"> <a href="#" class="vector-toc-link"> <div class="vector-toc-text">ページ先頭</div> </a> </li> <li id="toc-人物・経歴" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#人物・経歴"> <div class="vector-toc-text"> <span class="vector-toc-numb">1</span> <span>人物・経歴</span> </div> </a> <ul id="toc-人物・経歴-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-脚注" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#脚注"> <div class="vector-toc-text"> <span class="vector-toc-numb">2</span> <span>脚注</span> </div> </a> <ul id="toc-脚注-sublist" class="vector-toc-list"> </ul> </li> </ul> </div> </div> </nav> </div> </div> <div class="mw-content-container"> <main id="content" class="mw-body"> <header class="mw-body-header vector-page-titlebar"> <nav aria-label="目次" class="vector-toc-landmark"> <div id="vector-page-titlebar-toc" class="vector-dropdown vector-page-titlebar-toc vector-button-flush-left" > <input type="checkbox" id="vector-page-titlebar-toc-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-page-titlebar-toc" class="vector-dropdown-checkbox " aria-label="目次の表示・非表示を切り替え" > <label id="vector-page-titlebar-toc-label" for="vector-page-titlebar-toc-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-listBullet mw-ui-icon-wikimedia-listBullet"></span> <span class="vector-dropdown-label-text">目次の表示・非表示を切り替え</span> </label> <div class="vector-dropdown-content"> <div id="vector-page-titlebar-toc-unpinned-container" class="vector-unpinned-container"> </div> </div> </div> </nav> <h1 id="firstHeading" class="firstHeading mw-first-heading"><span class="mw-page-title-main">古関義幸</span></h1> <div id="p-lang-btn" class="vector-dropdown mw-portlet mw-portlet-lang" > <input type="checkbox" id="p-lang-btn-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-p-lang-btn" class="vector-dropdown-checkbox mw-interlanguage-selector" aria-label="この記事はこの言語にのみ存在します。他の言語のための記事を追加" > <label id="p-lang-btn-label" for="p-lang-btn-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--action-progressive mw-portlet-lang-heading-0" aria-hidden="true" ><span class="vector-icon mw-ui-icon-language-progressive mw-ui-icon-wikimedia-language-progressive"></span> <span class="vector-dropdown-label-text">言語を追加</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> </ul> <div class="after-portlet after-portlet-lang"><span class="uls-after-portlet-link"></span><span class="wb-langlinks-add wb-langlinks-link"><a href="https://www.wikidata.org/wiki/Special:EntityPage/Q76283438#sitelinks-wikipedia" title="言語間リンクを追加する" class="wbc-editpage">リンクを追加</a></span></div> </div> </div> </div> </header> <div class="vector-page-toolbar"> <div class="vector-page-toolbar-container"> <div id="left-navigation"> <nav aria-label="名前空間"> <div id="p-associated-pages" class="vector-menu vector-menu-tabs mw-portlet mw-portlet-associated-pages" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-nstab-main" class="selected vector-tab-noicon mw-list-item"><a href="/wiki/%E5%8F%A4%E9%96%A2%E7%BE%A9%E5%B9%B8" title="本文を閲覧 [c]" accesskey="c"><span>ページ</span></a></li><li id="ca-talk" class="new vector-tab-noicon mw-list-item"><a href="/w/index.php?title=%E3%83%8E%E3%83%BC%E3%83%88:%E5%8F%A4%E9%96%A2%E7%BE%A9%E5%B9%B8&action=edit&redlink=1" rel="discussion" class="new" title="「本文ページについての議論」 (存在しないページ) [t]" accesskey="t"><span>ノート</span></a></li> </ul> </div> </div> <div id="vector-variants-dropdown" class="vector-dropdown emptyPortlet" > <input type="checkbox" id="vector-variants-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-variants-dropdown" class="vector-dropdown-checkbox " aria-label="別の言語に切り替える" > <label id="vector-variants-dropdown-label" for="vector-variants-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet" aria-hidden="true" ><span class="vector-dropdown-label-text">日本語</span> </label> <div class="vector-dropdown-content"> <div id="p-variants" class="vector-menu mw-portlet mw-portlet-variants emptyPortlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> </ul> </div> </div> </div> </div> </nav> </div> <div id="right-navigation" class="vector-collapsible"> <nav aria-label="表示"> <div id="p-views" class="vector-menu vector-menu-tabs mw-portlet mw-portlet-views" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-view" class="selected vector-tab-noicon mw-list-item"><a href="/wiki/%E5%8F%A4%E9%96%A2%E7%BE%A9%E5%B9%B8"><span>閲覧</span></a></li><li id="ca-edit" class="vector-tab-noicon mw-list-item"><a href="/w/index.php?title=%E5%8F%A4%E9%96%A2%E7%BE%A9%E5%B9%B8&action=edit" title="このページのソースコードを編集する [e]" accesskey="e"><span>編集</span></a></li><li id="ca-history" class="vector-tab-noicon mw-list-item"><a href="/w/index.php?title=%E5%8F%A4%E9%96%A2%E7%BE%A9%E5%B9%B8&action=history" title="このページの過去の版 [h]" accesskey="h"><span>履歴表示</span></a></li> </ul> </div> </div> </nav> <nav class="vector-page-tools-landmark" aria-label="ページツール"> <div id="vector-page-tools-dropdown" class="vector-dropdown vector-page-tools-dropdown" > <input type="checkbox" id="vector-page-tools-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-page-tools-dropdown" class="vector-dropdown-checkbox " aria-label="ツール" > <label id="vector-page-tools-dropdown-label" for="vector-page-tools-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet" aria-hidden="true" ><span class="vector-dropdown-label-text">ツール</span> </label> <div class="vector-dropdown-content"> <div id="vector-page-tools-unpinned-container" class="vector-unpinned-container"> <div id="vector-page-tools" class="vector-page-tools vector-pinnable-element"> <div class="vector-pinnable-header vector-page-tools-pinnable-header vector-pinnable-header-unpinned" data-feature-name="page-tools-pinned" data-pinnable-element-id="vector-page-tools" data-pinned-container-id="vector-page-tools-pinned-container" data-unpinned-container-id="vector-page-tools-unpinned-container" > <div class="vector-pinnable-header-label">ツール</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-page-tools.pin">サイドバーに移動</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-page-tools.unpin">非表示</button> </div> <div id="p-cactions" class="vector-menu mw-portlet mw-portlet-cactions emptyPortlet vector-has-collapsible-items" title="その他の操作" > <div class="vector-menu-heading"> 操作 </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-more-view" class="selected vector-more-collapsible-item mw-list-item"><a href="/wiki/%E5%8F%A4%E9%96%A2%E7%BE%A9%E5%B9%B8"><span>閲覧</span></a></li><li id="ca-more-edit" class="vector-more-collapsible-item mw-list-item"><a href="/w/index.php?title=%E5%8F%A4%E9%96%A2%E7%BE%A9%E5%B9%B8&action=edit" title="このページのソースコードを編集する [e]" accesskey="e"><span>編集</span></a></li><li id="ca-more-history" class="vector-more-collapsible-item mw-list-item"><a href="/w/index.php?title=%E5%8F%A4%E9%96%A2%E7%BE%A9%E5%B9%B8&action=history"><span>履歴表示</span></a></li> </ul> </div> </div> <div id="p-tb" class="vector-menu mw-portlet mw-portlet-tb" > <div class="vector-menu-heading"> 全般 </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="t-whatlinkshere" class="mw-list-item"><a href="/wiki/%E7%89%B9%E5%88%A5:%E3%83%AA%E3%83%B3%E3%82%AF%E5%85%83/%E5%8F%A4%E9%96%A2%E7%BE%A9%E5%B9%B8" title="ここにリンクしている全ウィキページの一覧 [j]" accesskey="j"><span>リンク元</span></a></li><li id="t-recentchangeslinked" class="mw-list-item"><a href="/wiki/%E7%89%B9%E5%88%A5:%E9%96%A2%E9%80%A3%E3%83%9A%E3%83%BC%E3%82%B8%E3%81%AE%E6%9B%B4%E6%96%B0%E7%8A%B6%E6%B3%81/%E5%8F%A4%E9%96%A2%E7%BE%A9%E5%B9%B8" rel="nofollow" title="このページからリンクしているページの最近の更新 [k]" accesskey="k"><span>関連ページの更新状況</span></a></li><li id="t-upload" class="mw-list-item"><a href="/wiki/Wikipedia:%E3%83%95%E3%82%A1%E3%82%A4%E3%83%AB%E3%81%AE%E3%82%A2%E3%83%83%E3%83%97%E3%83%AD%E3%83%BC%E3%83%89" title="ファイルをアップロードする [u]" accesskey="u"><span>ファイルをアップロード</span></a></li><li id="t-specialpages" class="mw-list-item"><a href="/wiki/%E7%89%B9%E5%88%A5:%E7%89%B9%E5%88%A5%E3%83%9A%E3%83%BC%E3%82%B8%E4%B8%80%E8%A6%A7" title="特別ページの一覧 [q]" accesskey="q"><span>特別ページ</span></a></li><li id="t-permalink" class="mw-list-item"><a href="/w/index.php?title=%E5%8F%A4%E9%96%A2%E7%BE%A9%E5%B9%B8&oldid=94990233" title="このページのこの版への固定リンク"><span>この版への固定リンク</span></a></li><li id="t-info" class="mw-list-item"><a href="/w/index.php?title=%E5%8F%A4%E9%96%A2%E7%BE%A9%E5%B9%B8&action=info" title="このページについての詳細情報"><span>ページ情報</span></a></li><li id="t-cite" class="mw-list-item"><a href="/w/index.php?title=%E7%89%B9%E5%88%A5:%E3%81%93%E3%81%AE%E3%83%9A%E3%83%BC%E3%82%B8%E3%82%92%E5%BC%95%E7%94%A8&page=%E5%8F%A4%E9%96%A2%E7%BE%A9%E5%B9%B8&id=94990233&wpFormIdentifier=titleform" title="このページの引用方法"><span>このページを引用</span></a></li><li id="t-urlshortener" class="mw-list-item"><a href="/w/index.php?title=%E7%89%B9%E5%88%A5:UrlShortener&url=https%3A%2F%2Fja.wikipedia.org%2Fwiki%2F%25E5%258F%25A4%25E9%2596%25A2%25E7%25BE%25A9%25E5%25B9%25B8"><span>短縮URLを取得する</span></a></li><li id="t-urlshortener-qrcode" class="mw-list-item"><a href="/w/index.php?title=%E7%89%B9%E5%88%A5:QrCode&url=https%3A%2F%2Fja.wikipedia.org%2Fwiki%2F%25E5%258F%25A4%25E9%2596%25A2%25E7%25BE%25A9%25E5%25B9%25B8"><span>QRコードをダウンロード</span></a></li> </ul> </div> </div> <div id="p-coll-print_export" class="vector-menu mw-portlet mw-portlet-coll-print_export" > <div class="vector-menu-heading"> 印刷/書き出し </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="coll-create_a_book" class="mw-list-item"><a href="/w/index.php?title=%E7%89%B9%E5%88%A5:%E3%83%96%E3%83%83%E3%82%AF&bookcmd=book_creator&referer=%E5%8F%A4%E9%96%A2%E7%BE%A9%E5%B9%B8"><span>ブックの新規作成</span></a></li><li id="coll-download-as-rl" class="mw-list-item"><a href="/w/index.php?title=%E7%89%B9%E5%88%A5:DownloadAsPdf&page=%E5%8F%A4%E9%96%A2%E7%BE%A9%E5%B9%B8&action=show-download-screen"><span>PDF 形式でダウンロード</span></a></li><li id="t-print" class="mw-list-item"><a href="/w/index.php?title=%E5%8F%A4%E9%96%A2%E7%BE%A9%E5%B9%B8&printable=yes" title="このページの印刷用ページ [p]" accesskey="p"><span>印刷用バージョン</span></a></li> </ul> </div> </div> <div id="p-wikibase-otherprojects" class="vector-menu mw-portlet mw-portlet-wikibase-otherprojects" > <div class="vector-menu-heading"> 他のプロジェクト </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="t-wikibase" class="wb-otherproject-link wb-otherproject-wikibase-dataitem mw-list-item"><a href="https://www.wikidata.org/wiki/Special:EntityPage/Q76283438" title="関連付けられたデータリポジトリ項目へのリンク [g]" accesskey="g"><span>ウィキデータ項目</span></a></li> </ul> </div> </div> </div> </div> </div> </div> </nav> </div> </div> </div> <div class="vector-column-end"> <div class="vector-sticky-pinned-container"> <nav class="vector-page-tools-landmark" aria-label="ページツール"> <div id="vector-page-tools-pinned-container" class="vector-pinned-container"> </div> </nav> <nav class="vector-appearance-landmark" aria-label="表示"> <div id="vector-appearance-pinned-container" class="vector-pinned-container"> <div id="vector-appearance" class="vector-appearance vector-pinnable-element"> <div class="vector-pinnable-header vector-appearance-pinnable-header vector-pinnable-header-pinned" data-feature-name="appearance-pinned" data-pinnable-element-id="vector-appearance" data-pinned-container-id="vector-appearance-pinned-container" data-unpinned-container-id="vector-appearance-unpinned-container" > <div class="vector-pinnable-header-label">表示</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-appearance.pin">サイドバーに移動</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-appearance.unpin">非表示</button> </div> </div> </div> </nav> </div> </div> <div id="bodyContent" class="vector-body" aria-labelledby="firstHeading" data-mw-ve-target-container> <div class="vector-body-before-content"> <div class="mw-indicators"> </div> <div id="siteSub" class="noprint">出典: フリー百科事典『ウィキペディア（Wikipedia）』</div> </div> <div id="contentSub"><div id="mw-content-subtitle"></div></div> <div id="mw-content-text" class="mw-body-content"><div class="mw-content-ltr mw-parser-output" lang="ja" dir="ltr"><p><b>古関義幸</b>（こせきよしゆき、<a href="/wiki/1956%E5%B9%B4" title="1956年">1956年</a><a href="/wiki/7%E6%9C%8829%E6%97%A5" title="7月29日">7月29日</a> - ）は、<a href="/wiki/%E6%97%A5%E6%9C%AC" title="日本">日本</a>の<a href="/wiki/%E6%83%85%E5%A0%B1%E6%8A%80%E8%A1%93" title="情報技術">情報技術</a>者、<a href="/wiki/%E5%AE%9F%E6%A5%AD%E5%AE%B6" title="実業家">実業家</a>、<a href="/wiki/%E5%8D%9A%E5%A3%AB%EF%BC%88%E5%B7%A5%E5%AD%A6%EF%BC%89" title="博士（工学）">工学博士</a>。<a href="/wiki/%E3%83%93%E3%83%83%E3%82%B0%E3%83%AD%E3%83%BC%E3%83%96" class="mw-redirect" title="ビッグローブ">ビッグローブ</a><a href="/wiki/%E4%BB%A3%E8%A1%A8%E5%8F%96%E7%B7%A0%E5%BD%B9" title="代表取締役">代表取締役</a><a href="/wiki/%E7%A4%BE%E9%95%B7" title="社長">社長</a>や、同社取締役副会長を務めた。 </p> <div class="mw-heading mw-heading2"><h2 id="人物・経歴"><span id=".E4.BA.BA.E7.89.A9.E3.83.BB.E7.B5.8C.E6.AD.B4"></span>人物・経歴</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=%E5%8F%A4%E9%96%A2%E7%BE%A9%E5%B9%B8&action=edit&section=1" title="節を編集: 人物・経歴"><span>編集</span></a><span class="mw-editsection-bracket">]</span></span></div> <p><a href="/wiki/%E6%9D%B1%E4%BA%AC%E9%83%BD" title="東京都">東京都</a>出身。1975年<a href="/wiki/%E9%BA%BB%E5%B8%83%E4%B8%AD%E5%AD%A6%E6%A0%A1%E3%83%BB%E9%AB%98%E7%AD%89%E5%AD%A6%E6%A0%A1" title="麻布中学校・高等学校">麻布高等学校</a>卒業<sup id="cite_ref-1" class="reference"><a href="#cite_note-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup>。1979年<a href="/wiki/%E6%9D%B1%E4%BA%AC%E5%B7%A5%E6%A5%AD%E5%A4%A7%E5%AD%A6" title="東京工業大学">東京工業大学</a><a href="/wiki/%E5%B7%A5%E5%AD%A6%E9%83%A8" title="工学部">工学部</a><a href="/wiki/%E6%83%85%E5%A0%B1%E5%B7%A5%E5%AD%A6%E7%A7%91" title="情報工学科">情報工学科</a>卒業。1981年<a href="/wiki/%E3%82%AB%E3%83%AA%E3%83%95%E3%82%A9%E3%83%AB%E3%83%8B%E3%82%A2%E5%A4%A7%E5%AD%A6%E3%83%AD%E3%82%B5%E3%83%B3%E3%82%BC%E3%83%AB%E3%82%B9%E6%A0%A1" title="カリフォルニア大学ロサンゼルス校">カリフォルニア大学ロサンゼルス校</a>大学院修了、<a href="/wiki/%E7%90%86%E5%AD%A6%E4%BF%AE%E5%A3%AB" class="mw-redirect" title="理学修士">理学修士</a> (M.S. in Computer Science)。同年<a href="/wiki/%E6%97%A5%E6%9C%AC%E9%9B%BB%E6%B0%97" title="日本電気">日本電気</a>入社、C&Cシステム研究所配属。1987年<a href="/wiki/%E3%82%B9%E3%82%BF%E3%83%B3%E3%83%95%E3%82%A9%E3%83%BC%E3%83%89%E5%A4%A7%E5%AD%A6" title="スタンフォード大学">スタンフォード大学</a><a href="/wiki/%E3%82%B3%E3%83%B3%E3%83%94%E3%83%A5%E3%83%BC%E3%82%BF%E3%82%B5%E3%82%A4%E3%82%A8%E3%83%B3%E3%82%B9%E5%AD%A6%E7%A7%91" class="mw-redirect" title="コンピュータサイエンス学科">コンピュータサイエンス学科</a>客員研究員。1993年東京工業大学<a href="/wiki/%E5%8D%9A%E5%A3%AB%EF%BC%88%E5%B7%A5%E5%AD%A6%EF%BC%89" title="博士（工学）">博士（工学）</a>。1998年C&Cメディア研究所研究部長。2000年<a href="/wiki/BIGLOBE" title="BIGLOBE">BIGLOBE</a>サービス事業本部パーソナルサービス事業部部長。2001年BIGLOBEサービス事業本部パーソナルサービス事業部長代理。2005年BIGLOBE事業本部BIGLOBEパーソナル事業部長。2006年<a href="/wiki/NEC%E3%83%93%E3%83%83%E3%82%B0%E3%83%AD%E3%83%BC%E3%83%96" class="mw-redirect" title="NECビッグローブ">NECビッグローブ</a><a href="/wiki/%E5%9F%B7%E8%A1%8C%E5%BD%B9%E5%93%A1" class="mw-redirect" title="執行役員">執行役員</a>パーソナル事業部長。2009年NECビッグローブ取締役執行役員常務。2011年からNECビッグローブ<a href="/wiki/%E4%BB%A3%E8%A1%A8%E5%8F%96%E7%B7%A0%E5%BD%B9" title="代表取締役">代表取締役</a><a href="/wiki/%E7%A4%BE%E9%95%B7" title="社長">社長</a>を務め、収益強化などにあたった<sup id="cite_ref-2" class="reference"><a href="#cite_note-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-3" class="reference"><a href="#cite_note-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-4" class="reference"><a href="#cite_note-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup>。2015年<a href="/wiki/%E3%83%93%E3%83%83%E3%82%B0%E3%83%AD%E3%83%BC%E3%83%96" class="mw-redirect" title="ビッグローブ">ビッグローブ</a>取締役副会長<sup id="cite_ref-5" class="reference"><a href="#cite_note-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup>。2016年ビッグローブ取締役<sup id="cite_ref-6" class="reference"><a href="#cite_note-6"><span class="cite-bracket">[</span>6<span class="cite-bracket">]</span></a></sup>、楽水会会長<sup id="cite_ref-7" class="reference"><a href="#cite_note-7"><span class="cite-bracket">[</span>7<span class="cite-bracket">]</span></a></sup>。 </p> <div class="mw-heading mw-heading2"><h2 id="脚注"><span id=".E8.84.9A.E6.B3.A8"></span>脚注</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=%E5%8F%A4%E9%96%A2%E7%BE%A9%E5%B9%B8&action=edit&section=2" title="節を編集: 脚注"><span>編集</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="reflist" style="list-style-type: decimal;"> <ol class="references"> <li id="cite_note-1"><b><a href="#cite_ref-1">^</a></b> <span class="reference-text"><a rel="nofollow" class="external text" href="https://www.nikkan.co.jp/articles/view/00199567/0/7956">「わが友わが母校／麻布学園-ＮＥＣビッグローブ社長・古関義幸氏」</a> 日刊工業新聞2012/3/16 05:00</span> </li> <li id="cite_note-2"><b><a href="#cite_ref-2">^</a></b> <span class="reference-text"><a rel="nofollow" class="external text" href="https://www.nikkei.com/article/DGXNZO30537800X10C11A6TJ2000/">NECビッグローブ社長に古関氏</a> 日本経済新聞2011/6/17付</span> </li> <li id="cite_note-3"><b><a href="#cite_ref-3">^</a></b> <span class="reference-text"><a rel="nofollow" class="external text" href="https://www.biglobe.co.jp/press/2011/0617-1a.html">「新任社長の略歴、印刷用写真ダウンロード」</a> ビッグローブ</span> </li> <li id="cite_note-4"><b><a href="#cite_ref-4">^</a></b> <span class="reference-text"><a rel="nofollow" class="external text" href="https://www.ykos.jp/pages/1077346/page_201602191746">「ABOUT - Yoshi Koseki」</a> ykos</span> </li> <li id="cite_note-5"><b><a href="#cite_ref-5">^</a></b> <span class="reference-text"><a rel="nofollow" class="external text" href="https://www.nikkei.com/article/DGXLASDZ25HV4_V21C14A2TJ2000/">「ビッグローブ社長に中川氏」</a> 日本経済新聞2014/12/25付</span> </li> <li id="cite_note-6"><b><a href="#cite_ref-6">^</a></b> <span class="reference-text"><a rel="nofollow" class="external text" href="https://www.nikkei.com/article/DGXLMSJD00101_Z20C16A6000000/">人事、ビッグローブ</a> 日本経済新聞 (2016/6/29 17:07)</span> </li> <li id="cite_note-7"><b><a href="#cite_ref-7">^</a></b> <span class="reference-text"><a rel="nofollow" class="external text" href="https://www.rakusuikai.jp/wordpress/?page_id=544">楽水会役員</a> 楽水会</span> </li> </ol></div> <table class="toccolours" style="width: 41em; margin: 1px auto; padding: 0.25em 0; clear: both; text-align:center"> <tbody><tr> <td style="border-right: #ccc 1px solid;width:33%"><dl style="margin:0;padding:0"><dt style="margin:0;padding:0">先代</dt><dd style="margin:0;padding:0"><a href="/wiki/%E9%A3%AF%E5%A1%9A%E4%B9%85%E5%A4%AB" title="飯塚久夫">飯塚久夫</a></dd></dl> </td> <td><dl style="margin:0;padding:0"><dt style="margin:0;padding:0">ビッグローブ（旧NECビッグローブ）社長</dt><dd style="margin:0;padding:0">第3代：2011年 - 2014年</dd></dl> </td> <td style="border-left: #ccc 1px solid;width:33%"><dl style="margin:0;padding:0"><dt style="margin:0;padding:0">次代</dt><dd style="margin:0;padding:0"><a href="/wiki/%E4%B8%AD%E5%B7%9D%E5%8B%9D%E5%8D%9A" title="中川勝博">中川勝博</a></dd></dl> </td></tr></tbody></table> <table class="toccolours" style="width: 41em; margin: 1px auto; padding: 0.25em 0; clear: both; text-align:center"> <tbody><tr> <td style="border-right: #ccc 1px solid;width:33%"><dl style="margin:0;padding:0"><dt style="margin:0;padding:0">先代</dt><dd style="margin:0;padding:0"><a href="/wiki/%E5%B1%B1%E6%9D%91%E9%9B%85%E4%B9%8B" title="山村雅之">山村雅之</a></dd></dl> </td> <td><dl style="margin:0;padding:0"><dt style="margin:0;padding:0">楽水会会長</dt><dd style="margin:0;padding:0">2016年 - 2017年</dd></dl> </td> <td style="border-left: #ccc 1px solid;width:33%"><dl style="margin:0;padding:0"><dt style="margin:0;padding:0">次代</dt><dd style="margin:0;padding:0"><a href="/w/index.php?title=%E4%B8%AD%E6%9D%91%E5%B9%B4%E7%AF%84&action=edit&redlink=1" class="new" title="「中村年範」 (存在しないページ)">中村年範</a></dd></dl> </td></tr></tbody></table>    </div><noscript><img src="https://login.wikimedia.org/wiki/Special:CentralAutoLogin/start?type=1x1" alt="" width="1" height="1" style="border: none; position: absolute;"></noscript> <div class="printfooter" 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