Colorectal Surgery Section Visitors

Professor John Monson

Orlando, USA

Dr Monson is a board-certified colon and rectal surgeon, fellowship trained in surgical oncology. His areas of expertise include the use
of minimally invasive technologies in colorectal cancer treatment, including Transanal Endoscopic Microsurgery (TEMS), laparoscopic surgery and robotic surgery. Dr Monson is credited with leading the development of laparoscopic colorectal surgery in the United Kingdom. He is a former Chair of the U.K.’s National Training Program. His research encompasses a broad range of cancer-related areas, including the development of national standards in cancer care and qualitative assessments of decision-making in cancer care. He is a current member of the Commission on Cancer and Steering Committee for the National Accreditation Program for Rectal Cancer (NAPRC). In addition, he is a co-editor for Diseases of Colon and Rectum.

Professor Patricia Roberts

Burlington, USA

Patricia L. Roberts, MD, FACS, FASCRS is Chair Emeritus of the Department of Surgery and senior staff surgeon in the Department of Colon and Rectal Surgery at the Lahey Hospital and Medical Center
in Burlington, Massachusetts. She served as Chair of the Department of Surgery from 2012-2019 and Chair of the Division of Colon and Rectal Surgery from 2002-2013. She is a Professor of Surgery at Tufts University School of Medicine. Dr Roberts received her B.A. degree magna cum laude and completed her medical degree and general surgery residency at Boston University. Following a clinical and research fellowship in colon and rectal surgery, she has been a staff surgeon
at Lahey Clinic since 1988. Dr Roberts is a member of numerous professional societies. She has served as Treasurer, President Elect and President of the American Society of Colon and Rectal Surgeons. She has served as chair of the program committee, self-assessment committee, awards committee, local arrangements committee, governance committee and the operative competency committee of the American Society of Colon and Rectal Surgeons.

n 2018, she was awarded the Masters in Colon and Rectal Surgery award of the American Society of Colon and Rectal Surgeons. As
chair of the operative competency committee, she was instrumental in development of the COSATS (colorectal structured assessment
of technical skills), a technical skills examination for summative assessment of colon and rectal surgeons. She has chaired the exam committee and the written exam committee of the American Board of Colon and Rectal surgeons and served as Board President in 2009. She has been actively involved in the American College of Surgeons and has been Chair of the Advisory Council for Colon and Rectal Surgery. Dr Roberts has published over 140 peer-reviewed papers, 46 book chapters and edited or authored 6 books. She has served as an associate editor for Diseases of the Colon and Rectum, Clinics in Colon and Rectal Surgery, UpToDate and the Scandinavian Journal of Surgery and is currently an associate editor of the Annals of Surgery. She
has been actively involved in education of medical students, general surgery residents and colorectal surgery residents and has received the Sedgwick Mentor’s Award at Lahey Clinic and the mentor’s award of the American Society of Colon and Rectal Surgeons. In 2018, she was honoured with a distinguished alumna award from the Boston University School of Medicine. She has delivered over 200 invited lectures and has been selected for the last 18 years as “America’s Top Doctors”, “America’s Top Doctors for Cancer” and “Best Doctors in America”.

Associate Professor Tarik Sammour


Tarik Sammour is a colorectal surgeon at the Royal Adelaide Hospital and an Associate Professor of Surgery at the University of Adelaide. He became a Fellow of the Royal Australasian College of Surgeons (RACS) in 2012. Following this, he undertook two years of accredited post-fellowship training in colorectal surgery at the Royal Melbourne Hospital and the Royal Adelaide Hospital as part of the Colorectal Surgical Society of Australia and New Zealand (CSSANZ) accredited training program. He then travelled to the United States and spent an additional fellowship year at the MD Anderson Cancer Center in Houston training specifically in robotic colorectal surgery and advanced colorectal surgical oncology under the mentorship of leading surgeons in the field. Tarik has authored over 100 peer-reviewed publications in surgical journals, and 7 book chapters. Having completed a PhD in Surgery in 2011, he continues to pursue an active research program, focusing specifically on clinical trials to improve patient outcomes after colorectal surgery. Details of his current research activity can be found here: