Professor Jia-Gang Han is an expert in the field of general surgery who offers both general and specialist general surgery care. Professor Han mainly perform minimally invasive surgery, including colorectal cancer, gastric cancer, and bariatric surgery at Beijing Chaoyang Hospital, Capital Medical University, Beijing, China. Professor Han was the national committee member of colorectal surgery group, surgery branch of Chinese medical association (CMA) and the national committee member of colorectal surgery group, oncology branch of CMA. Professor Han is passionate about using simulation training to help educate teams within the field of surgery, surgical techniques, new technologies and enhanced recovery.