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.

Dr. Zheng Cheng has served as our president from November 2011 until September 2015 and had served as our chief operating officer from 2008 until September 2015, and remains to be a director. He served as co-chairman of the board from 2008 to 2011. Dr. Cheng was a co-founder of China Medstar. Prior to founding China Medstar in 1996, Dr. Cheng 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 Laoshan Frontier in 1986. Dr. Cheng received his bachelor’s degree in clinical neurosurgery from the First Military Medical University of the People’s Liberation Army of China in 1986. Dr. Cheng is a qualified clinical surgeon in China.

Mr. Yu currently serves as the chief executive officer and partner of WisdoMont Asset Management (Shanghai) Co., Ltd. (“WisdoMont”). Since 2014, he has co-founded WisdoMont, responsible for the establishment of investment strategy, fund portfolio and risk management. From 2009 to 2013, Mr. Yu served as regional vice president of HSBC Jinxin Trust. From 2013 to 2014, Mr. Yu served as institutional manager of GF Fund. With 15 years of experience in the financial industry, Mr. Yu has extensive experience in institutional business, financial product design and financing. Mr. Yu received a bachelor’s degree in finance and a master’s degree of management from Beijing Normal University.

Ms. Liping Zhang has over 18 years of teaching experience in business. Ms. Zhang joined Trinity Western University as assistant professor in 2005 and has served as associate professor in Trinity Western University since 2014. Prior to joining Trinity Western University, She was a teaching assistant in the Department of Economics at University of Ottawa from 1999 to 2004. Ms. Zhang graduated with a Ph.D. in Economics from University of Ottawa.

Mr. Wayne Yu has served as a professor at City University of Hong Kong since March 2015. Prior to that, Mr. Yu worked at The Hong Kong Polytechnic University from September 1999 to February 2015, and at Queen's University from July 1998 to August 1999. In addition, Mr. Yu serves as an independent director for a number of companies listed in Hong Kong and mainland China. He is a CFA® charterholder and a member of the Honorary Advisory Panel to the Financial Reporting Council (FRC), a statutory regulatory body for auditors of listed companies in Hong Kong. He received his Ph.D. in finance from University of Alberta in November 1997.

Mr. Hongzhong Liu has served as a professor at Shanghai International Studies University since January 2020. Mr. Liu is the vice president of China Society of World Economics and the vice executive secretary of Chinese Association of Asia-Pacific Studies. He served as the dean of School of International Studies of Liaoning University from March 2012 to October 2019, and served various teaching positions at Liaoning University since July 1999. Mr. Liu was a visiting scholar at George Washington University from January 2015 to June 2015, at Washington University in St. Louis from August 2007 to July 2008, and at KDI School of Public Policy and Management August 2001 to July 2002. He has published numerous books and articles, and presided over 15 important projects including a major project supported by National Social Science Fund of China. He received his Ph.D. in world economics from Liaoning University in June 1999.