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Managing Director

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Gregory Gretsch

As a former founder and executive of four startup technology companies, Greg uses his expertise to assist entrepreneurs in building strong businesses. Greg joined Sigma in 2000, and brings to the firm expertise in new venture creation and marketing gained from more than 20 years in the high-technology industry. Greg’s successful investments as both an Angel and Venture investor include TalkingBlocks (HP), SlimDevices (Logitech), Postini (Google), and EqualLogic which was sold to Dell in 2008 for $1.4B, making it the largest all-cash acquisition of a venture-backed technology company in history.

In 1997, Greg co-founded Connectify, an enterprise software company that sold software for Electronic Direct Marketing. After selling Connectify to Kana Communications in 1999, he stayed on board as the Vice President of Electronic Direct Marketing. Prior to Kana, he started GiftONE in 1996, which he later sold to SkyMall. In 1993, Greg launched his first start up, Vicarious, an education and reference CD-ROM publisher. Early in his career, Greg spent time at Apple where, in addition to spearheading product marketing programs, he lead a project partnering with CNN that offered the first public showcase of QuickTime. He holds a BBA in Management Information Systems (MIS) from the University of Georgia.

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