Stephen L. Green has served on our Board of Directors since November 2001 and is the Chairman of our Audit Committee. Since 1991, Mr. Green has been a partner with Canaan Partners, a venture capital firm, where he has invested in technology companies. From October 1985 until November 1991, Mr. Green served as managing director of General Electric Capital’s Corporate Finance Group. Mr. Green also serves on the board of directors and audit and compensation committees of Dean Foods Company, a le... 

Thomas N. Clancy has served on our Board of Directors since November 2002. Mr. Clancy has been a managing member at TAO Venture Capital Partners, a venture capital fund focused on early stage investments, since October 2005. From January 1998 to September 2005, Mr. Clancy served as managing director of Enterprise Partners Venture Capital, leading its Internet, consumer, and software investment practices. Prior to joining Enterprise Partners Venture Capital, Mr. Clancy was a partner at TRC, In... 

Bruns H. Grayson has served on our Board of Directors since May 2009. Mr. Grayson is a managing partner at ABS Ventures, a venture capital firm, where he has managed all of the firm’s venture capital partnerships since 1983. Mr. Grayson began his career as a venture capitalist in 1981 at Adler & Co., a New York venture firm. Prior to that time, he was an associate at McKinsey and Co., a management consulting firm. Mr. Grayson earned a B.A. from Harvard University, an M.A. from Oxford Universi... 

Scott Schultz has served on our Board of Directors since May 2009. Mr. Schultz has served as the managing director for recreational tennis at the United States Tennis Association (USTA) since June 2003. Before joining the USTA, Mr. Schultz founded Ferris State University’s Professional Tennis Management (PTM) program, the nation’s first bachelor degree program in tennis. He served as the program’s Director from 1987 to 1998 and then as a full professor for PTM in the University’s College of B...