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, assistant to the general manager of Xiangcai Securities Co., Ltd. from 2000 to 2002, and senior economist at China Agricultural Bank from 1999 to 2000. Dr. Yang received a doctorate degree in economics from Liaoning University in 1999 in China.