{"id":946104,"date":"2026-03-23T07:29:25","date_gmt":"2026-03-23T11:29:25","guid":{"rendered":"https:\/\/www.marketnewsdesk.com\/index.php\/kref-and-tmg-partners-announce-lease-of-entire-350-380-ellis-office-campus-to-openai-in-mountain-view\/"},"modified":"2026-03-23T07:29:25","modified_gmt":"2026-03-23T11:29:25","slug":"kref-and-tmg-partners-announce-lease-of-entire-350-380-ellis-office-campus-to-openai-in-mountain-view","status":"publish","type":"post","link":"https:\/\/www.marketnewsdesk.com\/index.php\/kref-and-tmg-partners-announce-lease-of-entire-350-380-ellis-office-campus-to-openai-in-mountain-view\/","title":{"rendered":"KREF and TMG Partners Announce Lease of Entire 350 &#8211; 380 Ellis Office Campus to OpenAI in Mountain View"},"content":{"rendered":"<p>        <!--.bwalignc { text-align: center; list-style-position: inside }body {font:normal small Arial,Helvetica,sans-serif;color:#000;background-color:#fff;padding:24px;margin:0;} a img {border:0;} h3 {font-size:medium;color:#000;margin:0 0 1em 0; text-align:center;}-->  <\/p>\n<p class=\"bwalignc\"><b>KREF and TMG Partners Announce Lease of Entire 350 &#8211; 380 Ellis Office Campus to OpenAI in Mountain View<\/b><\/p>\n<p class=\"bwalignc\"><i>Class A Property Spans 450,000 Square Feet in Heart of Silicon Valley<\/i><\/p>\n<p>SAN FRANCISCO &amp; NEW YORK&#8211;(<a href=\"http:\/\/www.businesswire.com\">BUSINESS WIRE<\/a>)&#8211;<br \/>\nKKR Real Estate Finance Trust Inc. (NYSE: KREF) and TMG Partners, one of the San Francisco Bay Area\u2019s largest mixed-use property developers, today announced the lease at 350-380 Ellis, a Class A campus in Mountain View, California, to OpenAI.<\/p>\n<p>\nThe five-building Class A property is strategically located in the heart of Silicon Valley and is owned by KREF and capital accounts advised by KKR. In 2024, TMG was selected to reposition the campus into a future-ready workplace designed to meet the needs of leading global technology companies.<\/p>\n<p>\n\u201cWhen we took ownership of 350\u2013380 Ellis, we saw the opportunity to apply the full breadth of KKR\u2019s real estate capabilities to create long-term value in one of the world\u2019s most important technology and growth corridors,\u201d said Matt Salem, KREF CEO and Head of Real Estate Credit at KKR. \u201cWe believed this institutional-quality Class A campus would resonate with a forward-thinking, high-growth company. We are pleased to welcome OpenAI to the property. Executing a full-building lease in under two years underscores the asset\u2019s positioning and our disciplined approach to value creation.\u201d<\/p>\n<p>\nTMG led the transformation of the campus, modernizing the asset into an institutional-quality, highly connected and future-ready workplace designed to support scale, flexibility and long-term tenant needs. The comprehensive redesign integrates the five buildings into a seamless environment, upgrades core infrastructure and introduces collaboration- and wellness-focused amenities throughout, including a new front entry arrival experience, new indoor\/outdoor caf\u00e9, rooftop decks and a revitalized secure 2.0-acre outdoor amenity zone featuring flexible, open-air workspace.<\/p>\n<p>\n\u201cOur team immediately recognized the opportunity to reposition this property into a premier headquarters environment in a prime Silicon Valley location,\u201d said Ben Kochalski, President and CIO of TMG Partners. \u201cWorking closely with KKR, we focused on enhancing connectivity, amenitization, and flexibility to create a vibrant workplace aligned with the needs of modern technology companies. OpenAI\u2019s long-term commitment to the property validates that vision.\u201d<\/p>\n<p>\nOther existing campus amenities include move-in ready finishes, open work environments, expansive meeting\/conference rooms, executive briefing center, kitchen\/break areas on each floor, and collaborative space. Additionally, there is a full-service gastropub restaurant and cafeteria, an onsite multi-story parking structure, tennis court, and sand volleyball court all surrounded by a vibrant landscape of redwood and oak trees.<\/p>\n<p>\nNewmark\u2019s Executive Managing Director <a rel=\"nofollow\" href=\"https:\/\/cts.businesswire.com\/ct\/CT?id=smartlink&amp;url=https%3A%2F%2Fwww.nmrk.com%2Fpeople%2Fjon-mackey&amp;esheet=54457942&amp;newsitemid=20260323544564&amp;lan=en-US&amp;anchor=Jon+Mackey&amp;index=1&amp;md5=03f5ec4cb38a2b1bdce2645c37e12e18\">Jon Mackey<\/a>, Vice Chairman <a rel=\"nofollow\" href=\"https:\/\/cts.businesswire.com\/ct\/CT?id=smartlink&amp;url=https%3A%2F%2Fwww.nmrk.com%2Fpeople%2Fmichael-saign&amp;esheet=54457942&amp;newsitemid=20260323544564&amp;lan=en-US&amp;anchor=Mike+Saign&amp;index=2&amp;md5=f05a5a0de24e7de37bee64ac13d00e80\">Mike Saign<\/a> and Executive Vice Chairman <a rel=\"nofollow\" href=\"https:\/\/cts.businesswire.com\/ct\/CT?id=smartlink&amp;url=https%3A%2F%2Fwww.nmrk.com%2Fpeople%2Fphilip-a-mahoney&amp;esheet=54457942&amp;newsitemid=20260323544564&amp;lan=en-US&amp;anchor=Phil+Mahoney&amp;index=3&amp;md5=a85f400ea5dab577acfe49ce7e3ec01a\">Phil Mahoney<\/a> represented the landlord in the lease of the property. JLL\u2019s Mike Iino, Jon Moeller, Dan Johnson, Rich Duff, and Bridget Fahey represented OpenAI.<\/p>\n<p><b>About KKR Real Estate Finance Trust Inc.<br \/>\n<br \/><\/b>KREF is a real estate finance company that focuses primarily on originating and acquiring senior loans secured by commercial real estate properties. KREF is externally managed and advised by an affiliate of KKR &amp; Co. Inc. For additional information about KREF, please visit its website at <a rel=\"nofollow\" href=\"https:\/\/cts.businesswire.com\/ct\/CT?id=smartlink&amp;url=http%3A%2F%2Fwww.kkrreit.com&amp;esheet=54457942&amp;newsitemid=20260323544564&amp;lan=en-US&amp;anchor=www.kkrreit.com&amp;index=4&amp;md5=523b95743f23eae356107353c5173b7e\">www.kkrreit.com<\/a>.<\/p>\n<p><b>About TMG Partners<br \/>\n<br \/><\/b>TMG Partners, founded in 1984 and headquartered in San Francisco, is one of the Bay Area\u2019s largest and most active mixed-use property development and management companies. TMG has more than 33 million square feet across every major city in the Region, including Oakland, San Francisco, Marin, and San Jose. The $6.8B portfolio includes a broad spectrum of office, retail, residential, and industrial properties, ranging from office campus and multi-story properties in urban-infill locations to mixed-use and single-story suburban buildings. Throughout its four decades of leadership in civic organizations, TMG has invested in the Bay Area\u2019s growth and cyclical reinvention across housing, office, and retail. For detailed information, visit <a rel=\"nofollow\" href=\"https:\/\/cts.businesswire.com\/ct\/CT?id=smartlink&amp;url=http%3A%2F%2Fwww.tmgpartners.com%2F&amp;esheet=54457942&amp;newsitemid=20260323544564&amp;lan=en-US&amp;anchor=TMG+Partners&amp;index=5&amp;md5=dd137c390d37aabf9cee14a8dd64f7c7\">TMG Partners<\/a>. <a rel=\"nofollow\" href=\"https:\/\/cts.businesswire.com\/ct\/CT?id=smartlink&amp;url=https%3A%2F%2Fwww.linkedin.com%2Fcompany%2Ftmg-partners%2F&amp;esheet=54457942&amp;newsitemid=20260323544564&amp;lan=en-US&amp;anchor=LinkedIn&amp;index=6&amp;md5=733254c81e9571237cf9397f2b5eeb69\">LinkedIn<\/a><\/p>\n<p><img decoding=\"async\" alt=\"\" src=\"https:\/\/cts.businesswire.com\/ct\/CT?id=bwnews&amp;sty=20260323544564r1&amp;sid=flmnd&amp;distro=nx&amp;lang=en\" style=\"width:0;height:0\" \/><span class=\"bwct31415\" \/><\/p>\n<p id=\"mmgallerylink\"><span id=\"mmgallerylink-phrase\">View source version on businesswire.com: <\/span><span id=\"mmgallerylink-link\"><a href=\"https:\/\/www.businesswire.com\/news\/home\/20260323544564\/en\/\" rel=\"nofollow\">https:\/\/www.businesswire.com\/news\/home\/20260323544564\/en\/<\/a><\/span><\/p>\n<p><b>Media Contacts:<br \/>\n<br \/><\/b><br \/>KKR Real Estate Finance Trust (KREF)<br \/>\n<br \/>Brooke Rustad<br \/>\n<br \/>(646) 823-0893<br \/>\n<br \/><a rel=\"nofollow\" href=\"mailto:media@kkr.com\">media@kkr.com<br \/>\n<\/a><\/p>\n<p>Julie Chase<br \/>\n<br \/>(415) 710-7108<br \/>\n<br \/><a rel=\"nofollow\" href=\"mailto:jchase@chasepr.com\">jchase@chasepr.com<\/a><\/p>\n<p><b>KEYWORDS:<\/b> United States North America California New York<\/p>\n<p><b>INDUSTRY KEYWORDS:<\/b> Commercial Building &amp; Real Estate Construction &amp; Property<\/p>\n<p><b>MEDIA:<\/b><\/p>\n<table cellpadding=\"3\" cellspacing=\"3\">\n<tr>\n<td><font face=\"Arial\" size=\"2\"><b>Logo<\/b><\/font><\/td>\n<\/tr>\n<tr>\n<td><img decoding=\"async\" src=\"https:\/\/mms.businesswire.com\/media\/20260323544564\/en\/582992\/3\/02_02_17_KREF_Logo_RGB_01_300.jpg\" alt=\"Logo\" \/><\/td>\n<\/tr>\n<tr>\n<td><font face=\"Arial\" size=\"2\"><\/font><\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":"<p>KREF and TMG Partners Announce Lease of Entire 350 &#8211; 380 Ellis Office Campus to OpenAI in Mountain View Class A Property Spans 450,000 Square Feet in Heart of Silicon Valley SAN FRANCISCO &amp; NEW YORK&#8211;(BUSINESS WIRE)&#8211; KKR Real Estate Finance Trust Inc. (NYSE: KREF) and TMG Partners, one of the San Francisco Bay Area\u2019s largest mixed-use property developers, today announced the lease at 350-380 Ellis, a Class A campus in Mountain View, California, to OpenAI. The five-building Class A property is strategically located in the heart of Silicon Valley and is owned by KREF and capital accounts advised by KKR. In 2024, TMG was selected to reposition the campus into a future-ready workplace designed to meet the needs of &hellip; <\/p>\n<p class=\"link-more\"><a href=\"https:\/\/www.marketnewsdesk.com\/index.php\/kref-and-tmg-partners-announce-lease-of-entire-350-380-ellis-office-campus-to-openai-in-mountain-view\/\" class=\"more-link\">Continue reading<span class=\"screen-reader-text\"> &#8220;KREF and TMG Partners Announce Lease of Entire 350 &#8211; 380 Ellis Office Campus to OpenAI in Mountain View&#8221;<\/span><\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[],"tags":[],"class_list":["post-946104","post","type-post","status-publish","format-standard","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>KREF and TMG Partners Announce Lease of Entire 350 - 380 Ellis Office Campus to OpenAI in Mountain View - Market Newsdesk<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.marketnewsdesk.com\/index.php\/kref-and-tmg-partners-announce-lease-of-entire-350-380-ellis-office-campus-to-openai-in-mountain-view\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"KREF and TMG Partners Announce Lease of Entire 350 - 380 Ellis Office Campus to OpenAI in Mountain View - Market Newsdesk\" \/>\n<meta property=\"og:description\" content=\"KREF and TMG Partners Announce Lease of Entire 350 &#8211; 380 Ellis Office Campus to OpenAI in Mountain View Class A Property Spans 450,000 Square Feet in Heart of Silicon Valley SAN FRANCISCO &amp; NEW YORK&#8211;(BUSINESS WIRE)&#8211; KKR Real Estate Finance Trust Inc. (NYSE: KREF) and TMG Partners, one of the San Francisco Bay Area\u2019s largest mixed-use property developers, today announced the lease at 350-380 Ellis, a Class A campus in Mountain View, California, to OpenAI. The five-building Class A property is strategically located in the heart of Silicon Valley and is owned by KREF and capital accounts advised by KKR. In 2024, TMG was selected to reposition the campus into a future-ready workplace designed to meet the needs of &hellip; Continue reading &quot;KREF and TMG Partners Announce Lease of Entire 350 &#8211; 380 Ellis Office Campus to OpenAI in Mountain View&quot;\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.marketnewsdesk.com\/index.php\/kref-and-tmg-partners-announce-lease-of-entire-350-380-ellis-office-campus-to-openai-in-mountain-view\/\" \/>\n<meta property=\"og:site_name\" content=\"Market Newsdesk\" \/>\n<meta property=\"article:published_time\" content=\"2026-03-23T11:29:25+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/cts.businesswire.com\/ct\/CT?id=bwnews&amp;sty=20260323544564r1&amp;sid=flmnd&amp;distro=nx&amp;lang=en\" \/>\n<meta name=\"author\" content=\"Newsdesk\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Newsdesk\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"3 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.marketnewsdesk.com\\\/index.php\\\/kref-and-tmg-partners-announce-lease-of-entire-350-380-ellis-office-campus-to-openai-in-mountain-view\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.marketnewsdesk.com\\\/index.php\\\/kref-and-tmg-partners-announce-lease-of-entire-350-380-ellis-office-campus-to-openai-in-mountain-view\\\/\"},\"author\":{\"name\":\"Newsdesk\",\"@id\":\"https:\\\/\\\/www.marketnewsdesk.com\\\/#\\\/schema\\\/person\\\/482f27a394d4fda80ecb5499e519d979\"},\"headline\":\"KREF and TMG Partners Announce Lease of Entire 350 &#8211; 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380 Ellis Office Campus to OpenAI in Mountain View Class A Property Spans 450,000 Square Feet in Heart of Silicon Valley SAN FRANCISCO &amp; NEW YORK&#8211;(BUSINESS WIRE)&#8211; KKR Real Estate Finance Trust Inc. (NYSE: KREF) and TMG Partners, one of the San Francisco Bay Area\u2019s largest mixed-use property developers, today announced the lease at 350-380 Ellis, a Class A campus in Mountain View, California, to OpenAI. The five-building Class A property is strategically located in the heart of Silicon Valley and is owned by KREF and capital accounts advised by KKR. In 2024, TMG was selected to reposition the campus into a future-ready workplace designed to meet the needs of &hellip; Continue reading \"KREF and TMG Partners Announce Lease of Entire 350 &#8211; 380 Ellis Office Campus to OpenAI in Mountain View\"","og_url":"https:\/\/www.marketnewsdesk.com\/index.php\/kref-and-tmg-partners-announce-lease-of-entire-350-380-ellis-office-campus-to-openai-in-mountain-view\/","og_site_name":"Market Newsdesk","article_published_time":"2026-03-23T11:29:25+00:00","og_image":[{"url":"https:\/\/cts.businesswire.com\/ct\/CT?id=bwnews&amp;sty=20260323544564r1&amp;sid=flmnd&amp;distro=nx&amp;lang=en","type":"","width":"","height":""}],"author":"Newsdesk","twitter_card":"summary_large_image","twitter_misc":{"Written by":"Newsdesk","Est. reading time":"3 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/www.marketnewsdesk.com\/index.php\/kref-and-tmg-partners-announce-lease-of-entire-350-380-ellis-office-campus-to-openai-in-mountain-view\/#article","isPartOf":{"@id":"https:\/\/www.marketnewsdesk.com\/index.php\/kref-and-tmg-partners-announce-lease-of-entire-350-380-ellis-office-campus-to-openai-in-mountain-view\/"},"author":{"name":"Newsdesk","@id":"https:\/\/www.marketnewsdesk.com\/#\/schema\/person\/482f27a394d4fda80ecb5499e519d979"},"headline":"KREF and TMG Partners Announce Lease of Entire 350 &#8211; 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