Professor Hamdorf is an Upper Gastrointestinal and Bariatric Surgeon with special interests in upper GI surgery including laparoscopic adjustable gastric banding, sleeve gastrectomy and gastric bypasses for the management of morbid obesity, pancreato-billiary & oesophago-gastric surgery, diagnostic and therapeutic laparoscopic anti reflux surgery and general surgery.
Professor Hamdorf was the inaugural Professor of Medical Education at The University of Western Australia and is a former Head of the School of Surgery at the University. He also has an active involvement in the affairs of the Royal Australasian College of Surgeons.
He is a founding Director of the Bariatrics Australia Research Centre and founding Director of the Australian Institute of Weight Control. He established Western Surgical Health in Perth which is regarded as a leader in the team approach to morbid obesity.
He has many contemporary research and training interests both nationally and internationally. Academic interests include management of upper gastroinestinal malignancies as well as a prominent interest in surgical education, in particular skills training.
In 2019 Professor Hamdorf's significant service to medical education, and to medicine, in the field of bariatric surgery was recognised by his appointment as a Member (AM) in the General Division of the Order of Australia.