Jay Adelson is the CEO of SimpleGeo, Former CEO of Digg, Inc., and Chairman and Founder of Revision3 Corporation.

Jay helped launch Digg, Inc. with Kevin Rose and provided business strategy to the company starting in October, 2004. He assumed the role of full time CEO officially when he resigned from Equinix, Inc. in October, 2005.

In March of 2005, Jay founded and assumed the role of CEO of Revision3 Corporation with Kevin Rose. He hired Jim Louderback to run Revision3 as CEO in June of 2007.

Jay founded Equinix (EQIX) in 1998 with Al Avery. Jay was responsible for the original and sustaining business model which lead to Equinix becoming a multi-billion dollar international company. During his seven years at Equinix, Jay provided technical leadership as Equinix's Chief Technology Officer, designing their products, datacenters, and leading research and development. Prior to Equinix, he was one of the founders of the PAIX in 1996, before its purchase by Switch and Data in 2003. In 1993, he was one of the first employees of Netcom (USA), where he built and ran network operations.

On July 15, 2003, he testified before the U.S. House of Representatives Select Committee on Homeland Security Subcommittee on Cybersecurity, Science and Research & Development, as part of an industry panel on "The Private Sector's Role in Keeping America's Cyberspace Secure."

In 2008, Jay was selected by Time Magazine as one of the 100 Most Influential People in the World.