Dr. ZHAO Ronghua, aged 62, is the executive Director of our Company. He joined our Company in July 2017 as Chief Medical Officer, with responsibilities for clinical research and development. He was appointed as our executive Director in April 2026.

Dr. ZHAO has accumulated approximately 40 years of experience in clinical research and development. From July 1986 to August 1989, he served as a doctor in the Department of Surgery of the General Hospital of Jinan Military Command. From September 1994 to December 2002, he worked as an attending physician in the Department of Surgery of Shanghai Changzheng Hospital. From 2002 to 2006, he successively held the positions of senior researcher and head of the medical department at Shanghai Sunway Biotech Co., Ltd. , a company focusing on research and development of oncolytic virus therapeutics, and was in charge of research and development. Concurrently, from April 2003 to September 2005, he acted as a research instructor in the Department of Colorectal surgery of Cleveland Clinic Florida. In 2006, he served as a research scientist at the University of Puerto Rico Cancer Center. Since May 2007, he worked as a research scientist in the Department of Surgery of the Royal Hospital of the University of Saskatchewan. After his departure, he served as the visiting professor in Central Hospital of Putuo District, Shanghai from July 2009 to July 2012.Concurrently, from February 2012 to July 2017, he held the position of chief scientist at Hangzhou ConVerd Co., Ltd. , a company focusing on research and development of oncolytic virus therapeutics, and was in charge of research and development.

Dr. ZHAO obtained his bachelor’s degree in Medicine from Second Military Medical University in July 1986. He obtained doctoral degree in Clinical Medicine from Second Military Medical University in July 1994. In December 1994, he obtained the qualifications of attending physician and lecturer granted by the Second Military Medical University.