Professor Wayne Hall is internationally-recognised in the fields of addiction and mental health. He has made significant and sustained contributions advancing understanding of the epidemiology of alcohol and drug use, mental disorders, and harms related to alcohol and drug use. He has made major contributions to the formulation of Australian national drug and alcohol policy as a researcher and advisor to Federal and state governments. He has demonstrated continuous and conspicuous service advancing the profession as an expert advisor to WHO, and as an elected Member of the International Narcotics Control Board of the UN Economic and Social Council.