Dr. David Streiner is currently an Emeritus Professor in the Department of Psychiatry and Behavioural Neurosciences at McMaster University. He began there in 1968 and has a joint appointment in the Department of Clinical Epidemiology and Biostatistics. Between 1998 and 2008, he was the Assistant V.P. Research and founding Director of the Applied Research Unit at the Baycrest Centre, and a Professor in the Department of Psychiatry at the University of Toronto. Although trained as a clinical psychologist, he has achieved international recognition as a statistician and epidemiologist, and has published many books and articles in those fields.