Secretary - International Atherosclerosis Society, 2007-
Member - Steering Committee, FIELD (1997-2007) and TNT (1998-2007) studies
Chairman - Steering Committee, ILLUMINATE study, 2004-
Chairman - The Metabolic Syndrome Institute, 2003-2004
Member - Board of Directors, International Task Force for Prevention of Coronary Heart Disease, 2003-
Fellow - Council on Arteriosclerosis, American Heart Association, 1972-
Fellow - Royal Australasian College of Physicians, 1969