David is a Professor of Psychiatry and Honorary Professor of Physiology at Monash and Professorial Fellow in the Department of Psychiatry at the University of Melbourne. His research interests lie in schizophrenia, particularly in understanding why people suffering from the condition hear distressing voices and how they can be better helped to cope with this symptom. He is a passionate advocate for a reversal of the dehospitalisation which has taken place in the public mental health sector.
In 2011 he was awarded a Medal of the Order of Australia. In 2016 he was made an Officer of the Order of Australia for distinguished service to tertiary education administration, to medicine in the field of psychiatry, to mental health research, and to the community.
As Pro-Vice Chancellor of Monash University, he provides strategic, policy and operational input and is responsible for providing Senior Management oversight of student experience activities, central leadership programs, and the Caulfield, Clayton and Peninsula campuses.