Morningside Campus Status Updates

Current Access Level “I” – ID Only: CUID holders, alumni, and approved guests only

  • Campus open to active affiliate Columbia University ID (CUID) holders and approved guests only.
  • Columbia students, faculty, and staff can use the guest registration portal to register up to two same-day guests. Alumni can use the portal to register for campus same-day access as well. Learn more below.

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Reid Hoffman

Co-Founder, LinkedIn, Inflection AI, Manas AI; Partner, Greylock Partners

Biography

An accomplished entrepreneur, executive, and investor, Reid Hoffman has played an integral role in building many of today’s leading consumer technology businesses.

In 2003 Hoffman co-founded LinkedIn, the world’s largest professional networking service. LinkedIn is thriving with more than 900 million members around the world.

In 2009 Hoffman joined Greylock. He focuses on building products that can reach hundreds of millions of participants and businesses that have network effects.

In 2022, Hoffman co-founded Inflection AI, an artificial intelligence company that aims to create software products that make it easier for humans to communicate with computers.

In 2025, he co-founded Manas AI, a company that leverages proprietary AI and best in class biology to cure cancer.

He currently serves on the boards of Aurora, Entrepreneur First, Microsoft, Nauto, and a few early stage companies still in stealth. In addition, he serves on a number of not-for-profit boards, including Endeavor, CZ Biohub, Berggruen Institute, Opportunity@Work, the Stanford Institute for Human-Centered AI, the MacArthur Foundation’s Lever for Change.

Hoffman is the host of two award-winning podcasts – Masters of Scale, where iconic business leaders share strategies that have helped them grow, as well as Possible, a podcast that sketches out the brightest version of the future—and what it will take to get there. He is the co-author of six best-selling books: The Startup of You, The Alliance, Blitzscaling, Masters of Scale, Impromptu, and Superagency: What Could Possibly Go Right with Our AI Future

Hoffman earned a master’s degree in philosophy from Oxford University, where he was a Marshall Scholar, and a bachelor’s degree with distinction in symbolic systems from Stanford University.