David Sze has served on our board of directors since May 2009. Mr. Sze currently serves as a partner with Greylock Partners, a private investment firm, where his investment focuses include consumer internet and service, media convergence, wireless data and technology-assisted marketing services. Before joining Greylock in 2000, Mr. Sze was senior vice president of product strategy at Excite and then Excite@Home, an internet portal company. As an early employee at Excite, Mr. Sze also held roles as general manager of Excite.com and vice president of content and programming for the Excite Network. Prior to that, Mr. Sze was in product marketing and development at Electronic Arts and Crystal Dynamics, respectively. He started his career in management consulting for Marakon Associates and The Boston Consulting Group, and also spent time at HBO. Mr. Sze currently serves on the board of directors of LinkedIn Corporation, a professional social networking internet service, and serves on the boards of directors of several private companies. Mr. Sze holds a Bachelor of Arts degree from Yale University and a Master of Business Administration from Stanford University.