Dr Hamdorf qualified with a medical degree (MBBS) from the University of Western Australia, (UWA), in 1985; FRACS, Part 1(1987), Part 2 (1993); Doctor of Philosophy (Surgery) 1998,Development and validation of a technique for recording colonic motility.

In 1987 he was awarded 1st prize in Royal Australasian College of Surgeons (WA Branch) Registrars Scientific Papers Day. In 1988 he was awarded James and Sith Annie Chesters Scholarship for Medical Research.

Dr Hamdorf has a current registration with the Medical Board of Western Australia, and has professional associations with: Royal Australasian College of Surgeons; Gastroenterological Society of Australia; Section of Alimentary Tract Surgery (Gastroenterological Society of Australia); General Surgeons of Australia (GSA); International Society for Diseases of the Esophagus; Association for Surgical Education; Australian Society for Medical Research; Australian Medical Association; Clinical Association Sir Charles Gairdner Hospital and the Sir Hector Stewart Surgical Club.

Dr Hamdorf is a general Surgeon, at St John of God Hospital, Subiaco and Sir Charles Gairdner Hospital. Throughout his career he has maintained heavy involvement with training and is or has been a facilitator/director Western Region Rural Trauma Course; Early Management of Severe Trauma/Advanced Trauma Life Support; Teaching on the Run; Laparoscopic Adjustable Gastric Banding Preceptorships; Clinical Teaching and Education Centre; Clinical Director, Hill Surgical Workshop and Clinical Director, Education Research Unit.

Dr Hamdorf’s special interests are in upper GI surgery, panreato-billiary & oesophago-gastric laparoscopy, diagnostic and therapeutic laparoscopic anti reflux surgery and general surgery. Dr Hamdorf has many contemporary research and training interests nationally and internationally. He has delivered 24 presentations from 1987 to 2002 and published 17 articles from 1988 to 2004.

Dr Hamdorf’s representative committees include: Royal Australasian College of Surgeons; Faculty of Medicine and Dentistry, The University of Western Australia and School of Surgery and Pathology, The University of Western Australia.