Sun Xuan: Male. Mr. Sun has over 15 years of experience in medicine and medical investment. From 2005 to 2006, he worked as a stock analyst at Yandco in Morgan Stanley. Company, new york. Before joining Morgan Stanley, he worked for Bristol-MyersSquibb. From August to 20 17, 2006, Mr. Sun worked in the investment banking branches of Swiss banking group in new york and Hongkong, in which he served as managing director from February to August, and medical treatment from June to August. 20 17 From February to February 2020, Mr. Sun served as the managing director of Yunfeng Fund, responsible for the investment in medical and health fields. Mr. Sun graduated from Vanderbilt University with a bachelor's degree in chemistry and a master's degree in pharmacology from Columbia University in new york. In May 2005, he graduated with honors from Stern School of Business, University of new york, USA, with a master's degree in business administration.