He is Clinical Director Division of Medicine and Cancer, Westmead Hospital and Director of Western Renal Services, Chair of the Westmead Research Committee, Consultant to the NSW Australian Red Cross Blood Service Tissue Typing Laboratory and Chairman of the Australian Bone Marrow Donor Registry, the Australian Cord Blood Bank Network and Past President of the Transplantation Society of Australia and New Zealand. He is a member of the Advisory Council of the Australian Organ and Tissue Authority.