Allen R. Miller, Ph.D., is a founding fellow of the Academy of Cognitive Therapy. He is a licensed psychologist with extensive clinical experience and has devoted much of his time and work to the study of mood and anxiety disorders. Miller is the director of WellSpan Behavioral Health Services of Southcentral Pennsylvania and is a member of the American Psychological Association. He is also the coauthor of The Complete Idiot's Guide to Personality Profiles. He lives in Windsor, Pennsylvania.