Andreas M. Kaiser, MD, FACS, is a Professor and Chief of the Division Colorectal Surgery in the Department of Surgery at City of Hope National Medical Center (an NCI-designated Comprehensive Cancer Center). Before joining City of Hope, Dr. Kaiser was a Professor of Clinical Surgery at USC (2000-2019), and from 2008-2009, he served as Interim Chairman of the Department of Colorectal Surgery. He is board-certified by the Swiss Board of Surgery FMH in General Surgery (1998) and Visceral Surgery (2006), and by the European Board of Surgery Qualifications EBSQ in Coloproctology (2002). He is a fellow of the American College of Surgeons (FACS), the American Society of Colon and Rectal Surgeons (FASCRS), and 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 specializes and has extensive experience in every aspect of even the most complex colorectal diseases, interdisciplinary treatment in the management of colorectal and anal cancer, hereditary colorectal cancer, inflammatory bowel disease, acute diverticulitis, functional disorders of the colon and rectum, and benign disorders of the anus. He has become a referral center for challenging cases. He 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 the next edition of "Chassin's Surgical Strategies in General Surgery" (5th edition, 2022). Dr. Kaiser also serves as editor-in-chief of Clinical and Experimental Gastroenterology, co-editor of the Journal of Robotic Surgery, and as associate editor of Diseases of the Colon and Rectum, the official journal of the American Society of Colon and Rectal Surgeons. He served as Guest Editor on Hereditary Colorectal Cancer for "Seminars in Colon and Rectal Surgery", and was the lead author on a ASCRS Task Force for "New Technologies for Fecal Incontinence". Through my long time on the Editorial Boards of Diseases of the Colon & Rectum, the Journal of Robotic Surgery and multiple other journals, I have reviewed more papers than I can remember. Editorships (1) Associate Editor, DCR, 2007-present; 2) Editor-in-Chief, JClinExpGastroenterol, 2011-present; (3) Guest Editor, Hereditary Colorectal Cancer. In: SemColonRectalSurg: 2010-2011; (4) Section Editor for the 5th edition (2023) of Chassin's Operative Strategy in General Surgery: 2014-present; (5) Editor for the 1sth edition (2020) of SAGES Manual Colorectal Surgery: 2017-2019; (6) Co-Editor (2021). Masters of Robotic Surgery. Springer Publisher: 2020-2023; (7) Co-Editor, Journal of Robotic Surgery, 2020 – present Editorial Boards DisColonRectum, 2007-present TheOpenColorectalCancerJournal, 2009-2014 TheOpenSurgicalOncologyJournal, 2009 -2014 World Journal of Gastroenterology, 2010 -2017 GlobalJournalSurgery, 2010-2013 JournalCancerTherapy, 2010 -2013 GastroenterologyandHepatology, 2010 -2013 WorldJournalGastrointestinalPathophysiology, 2011 -2018 Board/Publishing Committee Member, SurgicalEndoscopy, 2016-present Journal Reviews AmericanJournalGastroenterology AnnalsSurgery AnnalsSurgicalOncology AnnalsThoracicSurgery BritishJournalSurgery BritishMedicalJournal ClinicalGastroenterologyHepatology ColorectalDisease DigestiveLiverDiseases DigestiveSurgery ExpertReviewPharmacoeconomicsOutcomesResearch Gastroenterology Gut InternationalJournalColorectalDiseases JournalAmericanMedicalAssociation JournalCriticalCare JournalGastrointestinalSurgery JournalSurgicalOncology JournalSurgicalResearch Lancet LancetOncology NatureClinicalPracticeOncology NewEnglandJournalMedicine Surgery SurgicalLaparoscopyEndoscopyPercutaneousTechniques TechniquesColoproctology TheConsultant Uptodate WorldJournalGastroenterology Grant Reviews CanadianInstitutes of HealthResearch Alberta Heritage Foundation for Medical Research MRC - Medical Research Council, London My goal remains to combine providing top clinical services, scholarly activity and education of the next generation. I serve as referral center for the most complex cases that others do not want to do, remain active in key committees of professional societies to formulate guidelines and practice parameters. My leadership style has always been to maintain a collaborative team environment to gauge the best of each team member and hence pursue success. Reading, cooking, skiing, traveling.