He has been the President of the Australian Diabetes Society, a Council member of the Australasian Diabetes in Pregnancy Society, a Board member of Diabetes Australia, the Chairperson of the National Association of Diabetes Centres, Chairperson of the National Diabetes in Pregnancy Advisory Committee to the Commonwealth, the Chairperson of the Medical Educational and Scientific Advisory Council to the National Diabetes Services Scheme and a member of the Diabetes Advisory Group to the Commonwealth. He is currently co-Chair of the NSW Agency for Clinical Innovation In-Hospital Diabetes Management Committee and a member of the NSW Diabetes Taskforce.