David K. Chao has served as a Class A Director since the consummation of our initial public offering in December 2005. Mr. Chao is a co-founder of DCM (formerly known as Doll Capital Management), a venture capital firm based in the Silicon Valley, and has been a general partner of DCM since 1996. Prior to founding DCM, Mr. Chao was a co-founder and member of the board of directors of Japan Communications, Inc. He also worked as a management consultant at McKinsey & Company and as a marketing manager at Apple Computer. Prior to these positions, he was an account executive for Recruit, a Japanese human resources, advertising and services company. Mr. Chao serves on the boards of numerous DCM portfolio companies, including 51job, Inc., where he has served since 2000. He is a management board member of the Stanford Graduate School of Business board of trustees and a member of The Thacher School board of trustees. Mr. Chao received a bachelor's degree in economics and East Asian studies from Brown University and a master's degree in business administration from Stanford University.