Biography

Greg  Penner Director Greg Penner has served as our director since July 2004. Mr. Penner is a general partner at Madrone Capital Partners, an investment management firm based in Menlo Park, California. From 2002 to 2004, Mr. Penner was the senior vice president and chief financial officer of Wal-Mart Japan. From 2000 to 2002, Mr. Penner was senior vice president of finance and strategy for Walmart.com. From 1997 to 2000, Mr. Penner was a general partner at Peninsula Capital, an early stage venture capital fund. Previously, Mr. Penner worked in strategic planning at Wal-Mart Stores, Inc. and corporate finance at Goldman, Sachs & Co. Mr. Penner serves as a director of Wal-Mart Stores, Inc. and Hyatt Hotels Corporation, and as a director of several private companies. He is also a director of The Charter Growth Fund and sits on the board of Teach for America. Mr. Penner received an M.B.A. degree from the Stanford Graduate School of Business and a bachelor’s degree in international economics from the School of Foreign Service at Georgetown University.