Brian Quinn, LCSW, PhD, is a clinical social worker in private practice in Huntingdon, NY who specializes in working with individuals suffering from mood disorders and substance abuse in the Long Island area. He is an adjunct instructor in the Department of Psychiatry at Tufts Medical Center. Dr. Quinn is the author of Wiley Concise Guides to Mental Health: Bipolar Disorder and The Depression Sourcebook , 2nd edition. He has given seminars on depression and bipolar disorder at hospitals, graduate schools of social work, state societies for clinical social work, and to hundreds of clinicians across the United States. He has appeared on national and local TV to discuss bipolar disorder and has been a guest on scores of radio talk shows across the country. Dr. Quinn earned his master’s degree in social work at the University of Chicago and his PhD in clinical social work at New York University. He has a post-graduate certificate in psychoanalytic psychotherapy from Beth Israel Medical Center in New York City.