Jason McCabe Calacanis is the founder and CEO of Mahalo.com, a human-powered search engine. Prior to Mahalo.com's launch in May, 2007, he was an "Entrepreneur in Action" at Sequoia Capital, a position he held since December 2006.

Jason co-founded and was the CEO of Weblogs, Inc., a network of popular weblogs that was sold to AOL in November 2005. Upon joining AOL, he was appointed senior vice president. In addition, he was named general manager of AOL's Netscape.

Prior to forming Weblogs Inc., Jason was the founder of Rising Tide Studios, which sold its flagship publication to Dow Jones.