After completing his surgical training at that Hospital, he extended his experience in the United Kingdom where he trained in Colorectal Surgery at St Mark's Hospital, London. In 2001, he returned to the Hospital as the Sir Alan Parks Visiting Professor. He has been Chairman of the Section of Colon and Rectal Surgery of the Royal Australasian College of Surgeons and is a Past President of the Colorectal Surgical Society of Australasia. He is also an Honorary Member of the American Society of Colon and Rectal Surgeons and the Association of Coloproctology of Great Britain and Ireland. He has been a pioneer in the development of laparoscopic colorectal surgery and has published and presented on many aspects of colorectal disease.