As President, Greg oversees the day-to-day operations of Rubicon Project, a publicly traded advertising technology company based in Los Angeles. Greg is also presently a member of several Boards of Directors, including the Mobile Marketing Association, IAB’s Trustworthy Accountability Group and Advertising Women of New York. Greg served as the Executive Chairman of video ad exchange and real-time bidding company LiveRail, Inc. Prior to LiveRail, Greg was Founder, Chairman and CEO of Dragon Media Online and also founded and served as the Chairman, CEO and President of Mediaplex, Inc.. Under his watch, Mediaplex developed from inception to a publicly traded global advertising technology company before merging with ValueClick in October 2001. Mediaplex Inc. developed many of the initial ad serving technologies for the advertising space, which are still used today, including adXML and mobile java objects (MOJO).
Greg is also Founder, Chairman & CEO for Momentum Sports Group, LLC, which owns and operates the UnitedHealthcare Pro Cycling Team, the number one professional cycling team in the United States for most of the past decade. Greg began his career as an attorney, specializing in mergers and acquisitions and corporate financings. He has also been an investor, advisor to many emerging stage and growth companies.