David is Professor of Psychiatry at St Vincent’s Health and The University of Melbourne. He has wide clinical and research interests, encompassing schizophrenia and related disorders, bipolar disorder, OCD spectrum disorders and disorders of body image. He has a longstanding interest in the impact of licit and illicit substances on the brain and body and is actively engaged in programmes addressing the physical health of the mentally ill and the mental health of the physically ill. He has published widely in the scientific literature and is a frequent speaker at scientific meetings.