Chien Sun: Male, born in July, 1976, Ph.D., has served as the director of the outpatient department of Guangdong Provincial People's Hospital, the deputy director and director of the medical department of Guangdong Provincial People's Hospital, the chief physician of general surgery of Guangdong Provincial People's Hospital, the assistant to the president of Peking University Medical Industry Group Co., Ltd., and now the vice president of Peking University Medical Industry Group Co., Ltd., Chairman and General Manager of Peking University Medical Industry Group Holding Co., Ltd. Chairman of Peking University Medical Bo Hospital Co., Ltd., Chairman of Hunan Kaide Minimally Invasive Hospital Co., Ltd., Chairman of Shandong Peking University Medical Luzhong Hospital Co., Ltd., Chairman of Beijing Peking University Tairan Medical Investment Management Co., Ltd., Chairman of Beijing Peking University Medical Brain Health Industry Investment Management Co., Ltd., Director of Beijing Yijiandian Clinic Co., Ltd. and Chairman of Beijing Peking University Medical Hospital Management Co., Ltd.; Director of Beijing Peking University Medical Industry Fund Management Co., Ltd. and concurrently professor of Southern Medical University.