Dr. Jianyu Yang has served as a director of our company and our chief executive officer and president since 2007. Prior to joining our company, Dr. Yang served as chief executive officer of Eguard Resource Development Co., Ltd., a PRC company listed on the Shenzhen Stock Exchange in China principally engaged in the provision of comprehensive solutions in recycling, re-use of solid wastes and wastewater since 2003, vice president of Beijing Sound Environmental Group Co. Ltd. from 2002 to 2003,... 

Dr. Zheng Cheng has served as co-chairman of our board of directors and our chief operating officer since 2008. Dr. Cheng was a co-founder of China Medstar. Prior to founding China Medstar in 1996, Dr. Cheng had served as division chief of steel products of China National Defense Military Material General Company from 1992 to 1996 and military physician in the Department of Cerebral Surgery of the Beijing Air Force General Hospital from 1986 to 1992 and in the No. 1 Field Clinic of Yunnan Lao... 

Mr. Steve Sun has served as co-chairman of our board of directors since 2008 and served as our chief financial officer from 2009 to August 2011. Mr. Sun was a director and the president of Aohua Medical from 2006 to 2008. Prior to joining our company, Mr. Sun had served as the chief operating officer of Sunshine100 Real Estate Group, a Beijing-based real estate company, from 2004 to 2005 and executive vice president of AE Capital Markets Inc., a New York-based investment bank, from 1997 to 20... 

Mr. Feng Xiao has served as a director of our company since 2008. Mr. Xiao is also currently a managing director of the Carlyle Group, focusing on growth capital investments in China. Mr. Xiao had served as a vice president at CICC from 2000 to 2005, where he had been involved in the restructuring and listing of a number of leading Chinese companies, and worked at as a lawyer and a registered trademark agent at China Patent Agent (HK) Limited from 1995 to 1998. Mr. Xiao received an M.B.A. deg... 

Ms. Elaine Zong has served as a director of our company since 2008. Ms. Zong is also currently a managing director of C.V. Starr Investment Advisors (Asia) Limited, focusing on private equity investments in China. Ms. Zong had served as senior vice president at Deutsche Bank from 2005 to 2006, as vice president at Merrill Lynch from 2001 to 2003, and as an associate in the investment banking division of J.P. Morgan from 1998 to 2001. Ms. Zong received an M.B.A. degree from the University of C... 

Mr. Denny Lee will become an independent non-executive director of our company upon commencement of the trading of our ADSs on the NYSE. Mr. Lee is currently a non-executive director of Netease.com, Inc., a company listed on the Nasdaq Global Select Market, and an independent director and chairman of the audit committee of New Oriental Education & Technology Group Inc., Acorn International, Inc. and Gushan Environmental Energy Limited, which are all companies listed on the NYSE. Previously, M...