Christopher Mogan PhD is the Director of an Intensive Outpatient Program for OCD and related disorders at The Anxiety Clinic in Melbourne. A graduate of the University of Melbourne, he has Honours and Master’s degrees in Psychology, the Graduate Diploma in Mental Health Sciences (Clinical Hypnosis), and a PhD in the Departments of Psychiatry and Psychology. Dr Mogan specialises in Anxiety and related disorders including Panic and Worry, Social Anxiety Disorder, Phobias and avoidance, Acute and Post Traumatic Distress Disorder (PTSD) and Obsessive Compulsive Disorder. He is registered with the Australian Health Practitioner Agency under the Psychology Board of Australia, a member of the College
of Clinical Psychology in the Australian Psychological Society, approved as a Specialist Provider of Clinical Psychology and other psychological services with Medicare Australia, and accredited as a Supervisor by the Australian Psychological Society for General and Specialist Registration. He is also a member of several professional associations.

Charles H. Elliott, PhD, and Laura L. Smith, PhD, are clinical psychologists who specialise in the treatment of anxiety and mood disorders. They are the authors of several For Dummies books, including Borderline Personality Disorder For Dummies and Obsessive-Compulsive Disorder For Dummies.