He is a board member and the chair of the Cancer Biology Group of the Clinical Oncology Society of Australia (COSA) and a member of the Scientific Advisory Committee of the Australasian Gastro-intestinal Trials Group (AGITG). He is chair of the Primary Care Collaborative Cancer Trials Group (PC4) Advisory committee and a member of the PC4 Scientific committee. His was a founding director and board member of the Australian Clinical Trials Alliance (ACTA). He is currently Co-Chair of the Communication and Outreach Committee of the International Cancer Genome Consortium-ARGO initiative.
He was the Australian member of the Steering Committee for the Global Summit of National Ethics Committees (WHO/UNESCO) from 2010-2016. He was a member of the Australian Health Ethics Committee from 2006-2012 and the Research Committee of the National Health and Medical Research Council (NHMRC) of Australia from 2009-2015.