Andreas Kaiser United States

Andreas M. Kaiser, M.D., is professor and chief of the Division of Colorectal Surgery in the Department of Surgery at City of Hope, a National Cancer Institute-designated comprehensive cancer center). He graduated in 1988 from the University of Zurich in Switzerland followed by an internship in surgical pathology and a residency in general surgery at the University of Zurich Hospital from 1990 to 1998. In addition, Dr. Kaiser completed a research fellowship at Harvard Medical School, a fellowship in Visceral Surgery at the University Hospital in Zurich, and a fellowship in colorectal surgery at Keck School of Medicine of the University of Southern California (USC). Before joining City of Hope, Dr. Kaiser was faculty at USC in surgery (for the last 8 years in the rank of a professor) from 2000 to 2019, and he served as interim chairman of the Department of Colorectal Surgery from 2008-2009. He is board-certified by the Swiss Board of Surgery in General Surgery (1998) and in Visceral Surgery (2006), and by the European Surgery Qualification Board in Coloproctology (2002). He is a fellow of the American College of Surgeons (FACS), the American Society of Colon and Rectal Surgeons (FASCRS) and most recently was inducted as a fellow of the most prestigious American Surgical Association (ASA). He is a member of several national and international professional associations and committees. He is a member of the NIH Advisory Board for the Pelvic Floor Dysfunction Network of the National Institutes of Health. Dr. Kaiser has extensive experience in every aspect of even the most complex colorectal diseases and has become a referral center for challenging cases. He provides comprehensive interdisciplinary management for all stages of colorectal and anal cancer, hereditary colorectal cancer, inflammatory bowel disease, acute/chronic diverticulitis, functional disorders of the colon and rectum, and benign disorders of the anus. Dr. Kaiser has written numerous articles and book chapters, including his own book "McGraw-Hill Manual of Colorectal Surgery," and he was an editor of the "SAGES Manual Colorectal Surgery" (2019), as well as "Chassin's Surgical Strategies in General Surgery" (5th edition, 2022). He serves as Editor-in-Chief for the 6th edition of Chassin’s Surgical Strategies in General Surgery (2026). Dr. Kaiser also serves as editor-in-chief of Clinical and Experimental Gastroenterology, Co-Editor for the Journal of Robotic Surgery, associate editor of Diseases of the Colon and Rectum, the official journal of the American Society of Colon and Rectal Surgeons, and section editor of Journal or Surgical Oncology. He served as guest editor on "Hereditary Colorectal Cancer" for "Seminars in Colon and Rectal Surgery" and was the lead author on an ASCRS Task Force for "New Technologies for Fecal Incontinence."