Prof de Steiger is the Epworth Victor Smorgon Chair of Surgery - The University of Melbourne, Deputy Director of the Australian Orthopaedic Association National Joint Replacement Registry (AOANJRR), President of the International Society of Arthroplasty Registries (ISAR), member of the International Hip Society and on the steering committee of the Victorian Orthopaedic Trauma Outcomes Registry (VOTOR) and the Victorian Orthopaedic Research Trust (VORT). Prof de Steiger is an Orthopaedic Surgeon with a special interest in hip and knee joint replacement and the management of adult hip disorders. He is the Principal Investigator on several orthopaedic trials, and his current research interests include outcomes of joint replacement surgery, computer navigation and mechanisms involved in the cause of knee osteoarthritis. Prof de Steiger has established collaborative research in the fields of clinical epidemiology and public health, bioengineering and basic science. He is a member of the Commonwealth Government Department of Health and Aging Hip Prostheses Clinical Advisory Group and has previously been a member of the Medical Services Advisory Committee. Prof de Steiger is on the Editorial Board of the Journal of Orthopaedic Surgery and he is a reviewer for the Australian and New Zealand Journal of Surgery, Journal of Bone & Joint Surgery and ACTA Orthopaedica. He is actively involved in teaching at both a postgraduate and undergraduate level.