Ms. Wei Liu has been a director of our company since October 2006 and president of our company since September 2007. Ms. Liu is also currently an executive director and a member of the remuneration committee of Stone Group Holdings Limited. Prior to joining us, Ms. Liu was a vice general manager, and later the general manager, of Shanghai Jiante Bio-Technology Co., Ltd. from 2001 to 2004. From 1996 to 2000, Ms. Liu served as an executive general manager at Zhuhai Selan Yidai Co., Ltd. From 1992 to 1995, Ms. Liu served as a secretary, office administrator and vice president of Zhuhai Giant Group. Ms. Liu has also served as a general manager of Shanghai Golden Partner Biotech Co., Ltd from 2004 to 2007. Ms. Liu received her bachelor’s degrees in Chinese Literature and Sociology from Nankai University in 1990, and received her master’s degree in Business Administration from the China Europe International Business School in 2006.