1970 MD(Adelaide) for the thesis 'Arterial wall metabolism and atherogenesis'
1972 MD(Uppsala) for the thesis 'Substrate and hormone inter-relationships in human myocardial metabolism'.
1975 MRACP (Member, Royal Australasian College of Physicians)
1978 FRACP (Fellow, Royal Australasian College of Physicians)
1982 FAIFST (Fellow, Australian Institute of Food Science & Technology)
1988 FACN (Fellow of American College of Nutrition)
1993 FAFPHM (Fellow, Australasian Faculty of Public Health Medicine)
2002 FTSE (Fellow, Australian Academy of Technological Sciences & Engineering)
Charlotta Medal, Sweden, 1994
Australian Institute of Food Science & Technology – Food Industry Innovation Award, 1998
Officer of the Order of Australia (AO), Australia Day, 26th January 2000
Honorary Bataknese, Title conferred October 2002 with traditional dress by the Simalungan Bupati, North Sumatra, Indonesia, for services to the health of Bataknese women (Covered by Indonesia’s National TV network)
Life Honorary Member, British Nutrition Society, 2003;Honorary Fellow, 2016
EV McCollum International Lecture, American Society for Nutritional Sciences, 21st Septermber 2005
Lifetime Achievement Award ,Asia Pacific Nutrition Society ,2011
Distinguished Foreign Fellow, Chinese Nutrition Society, 2015
Honorary Fellow, British Nutrition Society, 2016
Living Legend of the IUNS (International Union of Nutritional Sciences) 2017
1966 Resident Medical Officer, Royal Adelaide Hospital
1967 Research Assistant, Department of Physiology, University of Melbourne
1967-1969 Tutor in Physiology, University College, University of Melbourne
1968-1970 Research Fellow, National Heart Foundation of Australia, Department of Physiology, University of Melbourne.
1970-1971 Overseas Research Fellow, Life Insurance Medical Research Fund of Australia & New Zealand, King Gustaf Research Institute, Karolinska Hospital, Stockholm, Sweden.
1971-1972 Research Fellow, Department of Geriatrics, University of Uppsala, Sweden.
1972 Visiting Fellow, Department of Clinical Science, John Curtin School of Medical Research, Australian National University.
1973-1975 Honorary Fellow and Registrar, Department of Clinical Science, Australian National University, Canberra Hospital.
1975 Physician to the Diabetic Clinic, Endocrine Department, Woden Valley, Hospital, Australian Capital Territory.
1976-1977 Senior Lecturer, Department of Medicine, Monash University, Prince'Henry's Hospital, Melbourne.
Visiting In-patient and Out-patient Physician, Prince Henry's Hospital, Melbourne.
Diabetic Physician and Lipid Clinic Physician, Prince Henry's Hospital, Melbourne.
1978-1987 Foundation Professor of Human Nutrition, Department of Human Nutrition, Division of Biological and Health Sciences, Deakin University, Geelong, Victoria, Australia.
1978- Consultant Physician (Endocrine and Diabetes), Prince Henry's Hospital, Melbourne.
1978-1982 Consultant Nutritionist, Alcoa of Australia.