a computer generated image of a human brain

International Expert in OCD and

Body Dysmorphic Disorder

Psychiatrist, neuroscientist, and Professor of Psychiatry at University of Toronto specializing in obsessive-compulsive disorder (OCD), body dysmorphic disorder (BDD), anxiety disorders, and related conditions

Commentary and Research Featured In

Professor of Psychiatry, University of Toronto Temerty Faculty of Medicine
Senior Scientist and Director, Brain, Body & Perception Research Program at the Centre for Addiction and Mental Health, CAMH
Chief Medical Officer at Noto.ai
Chair-Elect / Scientific & Clinical Advisory Board, International OCD Foundation
Former Director, UCLA Adult OCD Program
170+ Peer-Reviewed Publications

Clinical Expertise

Obsessive-compulsive disorder (OCD)
Body dysmorphic disorder (BDD)
Obsessive-compulsive related disorders
Eating disorders
Anxiety disorders

Dr. Feusner is a professor of psychiatry at the University of Toronto Temerty Faculty of Medicine, within the Division of Neurosciences & Clinical Translation, where he is deeply involved in various research initiatives and academic activities. He is also a Senior Scientist and the Director of the Brain, Body & Perception Research Program at the Centre for Addiction and Mental Health, a leading institution recognized for its advancements in mental health research and clinical practices.

Since 2018, he has served as the Chief Medical Officer at NOCD -- the world’s largest specialty mental health treatment program -- now Noto, which includes NOCD, serving OCD and related disorders, and Rebound, treating individuals with trauma-related disorders. Through Noto, he has played a vital role in the integration of technology and evidence-based treatments to scale accessible mental health care.

Prior to his current role, Dr. Feusner was a professor of psychiatry at UCLA from 2006 to 2021 and served as the Director of the UCLA Adult OCD Program, where he led a world-class clinical program and led numerous successful clinical neuroscience research projects in OCD, BDD, and eating disorders.

Dr. Feusner currently acts as a research and clinical supervisor, providing mentorship to junior faculty, clinical fellows, postdoctoral fellows, Ph.D. candidates, master's students, medical students, psychiatry residents, undergraduates, and high school students, fostering the next generation of mental health professionals and researchers by sharing his extensive knowledge and experience.

Dr. Feusner is a board-certified psychiatrist with clinical expertise that spans BDD, OCD, obsessive-compulsive related disorders, and anxiety disorders, demonstrating a passion and commitment to helping individuals overcome these conditions.

His research initiatives addressing BDD, OCD, and anorexia nervosa have been supported by various funding bodies, including the U.S. National Institutes of Health, the International OCD Foundation, Nathan Cummings Foundation, Klarman Family Foundation, Tiny Blue Dot Foundation, and the Canadian Institutes of Health Research, reflecting the significance and impact of his work in the academic and clinical communities.

Curriculum Vitae