Mr. Liu has served as our Chief Executive Officer and Chairman of our Board of Directors since September 17, 2009. Mr. Liu is one of the three founders of Hangzhou Jiuzhou Grand Pharmacy Chain Co., Ltd. (“Jiuzhou Pharmacy”), Hangzhou Jiuzhou Clinic of Integrated Traditional and Western Medicine (General Partnership) (“Jiuzhou Clinic”) and Hangzhou Jiuzhou Service & Public Health Service Co., Ltd. (“Jiuzhou Service”) (Jiuzhou Pharmacy, Jiuzhou Clinic and Jiuzhou Service, as well as the subsidiaries of Jiuzhou Pharmacy, collectively as “HJ Group”), and has been the executive director of Jiuzhou Pharmacy since September 2003 and the supervising director of Jiuzhou Service since November 2005. From December 1997 to August 2003, Mr. Liu worked in Tai He Drugstore as a general manager. From September 1992 to November 1997, Mr. Liu was an administration official of Hangzhou Medical Junior College, his alma mater, where he was also a researcher and an anatomy instructor from September 1983 to July 1992. Mr. Liu has been a licensed researcher in the PRC since September 1988.

Mr. Zhao has served as our Chief Financial Officer since August 2011. From September 2010 to July 2011, Mr. Zhao was a senior manager at CFO Oncall, Inc., a financial consulting firm providing CFO services to U.S.-listed, China-based publicly traded companies. From December 2006 through August 2010, Mr. Zhao was a senior auditor at Sherb & Co., LLP. From January through June 2003, Mr. Zhao worked as a financial analyst at Microsoft Corporation. Mr. Zhao is a licensed certified public accountant. Mr. Zhao graduated with a bachelor’s degree in accounting from Central University of Finance and Economic in Beijing in July 1999, and obtained a master’s degree in professional accounting from the University of Washington in December 2002.

Mr. Hu has served as our Chief Operating Officer since October 2018. He has served as Vice President of Taizhou Central Hospital (Taizhou College Affiliated Hospital) since September 2016. He is also the Vice President of Taizhou Medical Association, the Vice Chairman of the Special Committee of Nasopharyngeal Carcinoma and Tumor Causes of Zhejiang Anti-Cancer Association, a Standing Committee Member of the Cancer Radiotherapy Professional Committee of Zhejiang Medical Association, a member of the Provincial Clinical Epidemiology and Evidence-Based Medicine Branch, member of the Cancer Pain Professional Committee, and leader of the Cancer Chemotherapy and Chemotherapy Group of Taizhou Medical Association. Mr. Hu is Deputy Chairman of the Fourth Committee of Taizhou Municipality as well as Standing Committee of the Fifth Taizhou Municipal Committee of the Chinese People's Political Consultative Conference (“CPPCC”.) Previously, served in positions as Executive Vice President, Vice President and Dean of Enze Medical Center of Taizhou Central Hospital from February 2011 to September 2016. Under his leadership, Taizhou Central Hospital was named Class 3 Grade A hospital in 2011. Mr. Hu holds a Bachelor of Science in Clinical Medicine and is currently a Ph.D. candidate at the Medicine School of Zhejiang University.