Hong Zheng, PhD in oncology surgery, Doctoral tutor, organ transplant specialist, vice president of Tianjin First Central Hospital, Completed liver transplantation more than 600 cases. Be good at diagnosis and treatment of various difficult hepatic diseases. Published more than 30 articles in various journals.  Has taken several key research projects under the Tianjin Science and Technology Commission, is member of the International Liver Transplantation Society, member of Japan Surgical Society and member of Organ Transplantation Society of Tianjin Medical Association.