Dr. Paul Ritvo is a Clinical Research Psychologist and Professor in the School of Kinesiology and Health Science, and Department of Psychology at York University, and in the Departments of Family and Community Medicine, and Psychiatry at the University of Toronto. Dr. Ritvo is an Affiliate Scientist in the Division of Epidemiology and Biostatistics at the University Health Network in Toronto. His research focuses on online interventions for mental and physical health, coordinating neurophysiological and psychometric measurement. He is currently Principal Investigator, Co-Principal Investigator or Co-Investigator in 6 randomized controlled trials assessing online interventions.