Stephen P. H. Whiteside, Ph.D., ABPP, is a board-certified licensed clinical psychologist, professor of psychology in the Mayo Clinic College of Medicine and Science, and director of the Pediatric Anxiety Disorders Program at Mayo Clinic. Dr. Whiteside is the co-author of Exposure Therapy for Child and Adolescent Anxiety and OCD and Exposure Therapy for Anxiety: Principles and Practice. He lives in Minneapolis, Minnesota, with his wife and daughter.