Mr. Jun Hou is our co-founder. He has been the chairman of our board of directors since April 2002 and was our chief executive officer from April 2002 until October 2009. From June 1994 to April 2002, Mr. Hou served as the chairman of the board of directors and was actively involved in the operations of China Da Tong Industrial Co., Ltd., a company that had been engaged in various businesses, including satellite navigation, at the time. Prior to that, he worked at China Science and Technology International Trust and Investment Corporation, a state-owned investment company, from August 1990 to August 1993 and at the Beijing Municipal Public Security Bureau from September 1988 to July 1990. Mr. Hou received a bachelor's degree in Chinese from Peking University in China.

Mr. Congwu Cheng is our co-founder. He has been our director since April 2002, and our chief executive officer since October 2009. Mr. Cheng was our president from April 2002 until September 2009. From June 1994 to April 2002, Mr. Cheng served as the president and was actively involved in the operations of China Da Tong Industrial Co., Ltd. Prior to that, he worked at China Science and Technology International Trust and Investment Corporation from October 1989 to October 1993 and in the trading department of China Kang Hua Corporation, a state-owned conglomerate, from July 1988 to October 1989. Mr. Cheng received a bachelor's degree in economics from Beijing Industry and Business University and a master's degree in economics from the Graduate School of Chinese Academy of Social Sciences in China.

Mr. Derong Jiang is our co-founder. Mr. Jiang has served as our director since June 2010. He has served as our senior vice president of quality control since April 2002 and has over 19 years of experience in research and development management. Prior to joining us, Mr. Jiang served as vice president of China Da Tong Industrial Co., Ltd. from July 1996 to March 2002, and worked at the Founder Group from July 1994 to June 1996. Mr. Jiang received a bachelor's degree in mechanics and a master's degree in solid mechanics from Peking University in China.

 Mr. Jeffrey Zhijie Zeng has served as our director since October 2006. Mr. Zeng is the CEO and founding partner of Kaixin Investment, a venture capital fund jointly founded by China Development Bank and CITIC Capital in May 2008. Mr. Zeng also serves as the chairman of China Special Article Logistics Company. He had previously served as managing director of Walden International, a global venture capital firm, for which he was mainly responsible for venture investments in China and other Asia countries from 2001 to 2008. Mr. Zeng continues to serve as an advisor to Walden International, whose affiliated investment entities hold Series A preferred shares in our company. Prior to that, Mr. Zeng worked for CITIC Pacific Ltd., a large public company in Hong Kong from 1998 to 2001 and Mitsubishi Corporation in Tokyo from 1996 to 1998. Presently, Mr. Zeng also serves as an independent director of China Greatwall Computer Shenzhen Co., Ltd. and Hunan Talkweb Information System Ltd, both listed on the Shenzhen Stock Exchange, Chinasoft International Ltd, a company listed on the Hong Kong Stock Exchange, Shanghai AJ Corporation, a company listed on the Shanghai Stock Exchange, E-House (China) Holdings Limited, a real estate services company in China listed on the New York Stock Exchange, and Vimicro International Corporation, a fabless semiconductor company listed on the Nasdaq Global Market. Mr. Zeng also serves on the boards of a number of private companies based in China. Mr. Zeng received a bachelor's degree in economics from the University of Nagasaki in Japan and a master's degree in management from Stanford University.

 Dr. Daqing Dave Qi has served as our independent director since June 30, 2010. Dr. Qi is a professor of accounting and the associate dean of the Cheung Kong Graduate School of Business. He began teaching at the Cheung Kong Graduate School of Business in 2002 and was the founding director of its Executive MBA program. Prior to that, Dr. Qi was an associate professor at the School of Accounting of the Chinese University of Hong Kong from 1996 to 2002. Dr. Qi has published many articles and research essays on accounting, financial reporting, capital market and other related topics. He also has extensive experience in providing executive training and consulting services in accounting and corporate finance to government departments and private companies, including the Ministry of Industry and Information Technology, the Shanghai Municipal Government, China Mobile, China Unicom, China Telecom, China Netcom, Nokia and Ericsson. Dr. Qi also serves on the board of directors of Sohu.com Inc., Focus Media Holding Limited and Bona Film Group Limited, all listed on the Nasdaq Global Select Market, Honghua Group Limited, SinoMedia Holding Limited and China Huiyuan Juice Group Limited, all listed on the Hong Kong Stock Exchange, and China Vanke Co., Ltd. listed on the Shenzhen Stock Exchange. Dr. Qi received a bachelor's degree in biophysics and a bachelor's degree in journalism from Fudan University in China, an M.B.A. from the University of Hawaii at Manoa and a Ph.D. in accounting from the Eli Broad Graduate School of Management of Michigan State University. Dr. Qi is a member of the American Accounting Association.

Ms. Belinda Wang has served as our independent director since June 2011. Ms. Wang is currently Sohu.com Inc. ("Sohu.com")'s co-president and chief operating officer. Ms. Wang joined Sohu.com in August 1999 and now leads their brand advertising sales and marketing efforts for China. She has been responsible for managing Sohu.com's game information portal website, 17173.com, since 2005 and real estate website, Focus.cn, since 2009. Additionally, Ms. Wang has managed other operations at Sohu.com, including wireless value-added services, the Auto Division, Finance Center, IT/Digital Channel and Go2Map since 2010. Prior to joining Sohu.com, Ms. Wang held positions with Internet Securities, Inc. and Motorola, Inc. Ms. Wang received a bachelor's degree in linguistics from China Industrial and Commercial University and a post-graduate diploma from National University of Singapore.

Mr. Hongyi Zhou has served as our independent director since June 2011. Mr. Zhou is a co-founder of Qihoo 360 Technology Co. Ltd. ("Qihoo 360"). He has served as Qihoo 360's chairman and chief executive officer since August 2006. Mr. Zhou has over ten years of managerial and operational experience in China's Internet industry. Prior to founding Qihoo 360, Mr. Zhou was a partner at IDG Ventures Capital since September 2005, a global network of venture capital funds, where he assisted small- to medium-sized software companies in sourcing funding to support their growth. Mr. Zhou was the chief executive officer of Yahoo! China from January 2004 to August 2005. In 1998, Mr. Zhou founded www.3721.com, a company engaged in Internet search and online marketing in China, and served as its chairman and chief executive officer until www.3721.com was acquired by Yahoo! China in January 2004. Mr. Zhou received his bachelor's degree in computer software in 1992 and his master's degree in system engineering in 1995 from Xi'an Jiaotong University, China.