Martin N. Seif, PhD, is cofounder of the Anxiety and Depression Association of America (ADAA), and was a member of its board of directors from 1977 through 1991. Seif is former associate director of the Anxiety and Phobia Treatment Center at White Plains Hospital, a faculty member of New York-Presbyterian Hospital, and is board certified in cognitive behavioral psychology from the American Board of Professional Psychology. He maintains a private practice in New York, NY; and Greenwich, CT; and is coauthor of What Every Therapist Needs to Know About Anxiety Disorders and OvercomingUnwanted Intrusive Thoughts.