ZHAO Yu-pei, Honorary President of Peking Union Medical College Hospital (PUMCH); Member of Chinese Academy of Sciences (CAS); President of Chinese Medical Association (CMA);Vice President of China Association for Science and Technology;Chairman of the Chinese Society of Surgery, CMA;Chairman of Pancreatic Surgery Section of Chinese Society of Surgery; Honorary Fellow of The International College of Surgeons (FICS); Honorary Fellow of American College of Surgeons (FACS); Honorary Fellow of Royal College of Surgeons of England (FRCS); Honorary Fellow of College of Surgeons of Hong Kong (FCSHK); Fellowship Ad Hominem of The Royal College of Surgeons of Edinburgh.