John has been the head of the Monash University Department of Epidemiology and Preventive Medicine based at the Alfred Hospital in Prahran since 1986. His research background is in epidemiology and clinical pharmacology. He originally graduated in Medicine from the University of Adelaide in 1971. After his specialist training he completed a PhD in Clinical Pharmacology at Melbourne University. In 1979 he was awarded a National Heart Foundation overseas postgraduate research scholarship to study epidemiology at the London School of Hygiene & Tropical Medicine. His research in epidemiology and public health includes a trial of folic acid supplementation in renal failure and co-principal investigator of the ASPREE trial of low-dose aspirin in the elderly. John has been involved in a variety of leadership roles including directorships of Alfred Health, Austin Health, the Colonial Foundation, Orygen Youth Mental Health Research Institute, the Australian Institute of Health & Welfare, the Metropolitan Ambulance Service, the Dunlop Medical Research Foundation, Victorian Managed Insurance Authority and Water Quality Research Australia. He was Chair of the Victorian Public Health Research and Education Foundation from 2006-2008, and was the Scientific Secretary of the International Society of Cardiovascular Pharmacotherapy. He is currently a member of the My-Health Record Expansion steering group, Cancer Australia's Stage, Treatment and Recurrence (STaR) steering committee, the Victorian Consultative Council for Maternal & Perinatal Mortality (CCOPPM) committee and the Victorian Patient Experience and Outcomes Measurement and Reporting Committee . He was awarded an AM in 2009 in recognition of his services to Public Health.