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.