Dai Sheng, M.D. & Ph.D., Director of Medical Affairs Department, Associate Chief Physician of Department of Colon and Rectal Surgery. Dr. Dai specializes in colorectal surgery, especially laparoscopic or robotic surgery for colorectal cancer. He also specializes in surgical treatment of perianal diseases, such as hemmoroids, fistula, as well as colonoscopic polypectomy. Dr. Dai had his resident and fellow training at Sir Run Run Shaw Hospital，and had robotic surgery training at Mayo Clinic. He also had postdoctoral research training at NCATS of NIH.

Laparoscopic or Robotic colectomy (Complete Mesocolon Excision, CME)

Laparoscopic or Robotic Total Mesorectum Excision (TME)

 Laparoscopic or Robotic Ilea pouch anal anastomosis (IPAA)

Natural Orifice Specimen Extraction Surgery (NOSES procedures)

Transanal minimal invasive surgery (TAMIS)

Surgical procedures for perianal dieases, such as hemmoroidectomy，fistuloectomy

Colonoscopic polypectomy, such as EMR

Adenocarcinomam, GIST of colon rectum and anus, perianal diseases, colon polyps and polyposis. 

Vice Chairman and secretary-general of the Colonic Polyp Prevention Committee, China Association for Promotion of Health Science and Technology

Committee member of the Standardization Administration of Chinese Hospital Association

Secretary and Vice president of the Youth Committee, China NOSES Alliance Zhejiang Branch