Mark Welton

Mark Welton’s career has balanced his clinical interests with progressive leadership positions in both health care system and group practice settings, as well as in medical staff governance. Most recently, Mark served as the Harry A. Oberhelman Jr. Professor of Surgery and chief of colon and rectal surgery at Stanford University School of Medicine. He was also chief of staff for Stanford Hospital and Clinics. Mark is board certified in general surgery and colon and rectal surgery. He serves on the American Board of Surgery, the American Board of Colon and Rectal Surgeons and the American Society of Colon and Rectal Surgeons Research Foundation. He received his doctor of medicine degree and completed his surgical residency at UCLA before completing a fellowship in colon and rectal surgery at Washington University.