Gerald Corey is Professor Emeritus of Human Services and Counseling at California State University at Fullerton. He received his doctorate in counseling from the University of Southern California. He is a Diplomate in Counseling Psychology, American Board of Professional Psychology; a licensed psychologist; and a National Certified Counselor. He is a Fellow of the American Psychological Association (Division 17, Counseling Psychology; and Division 49, Group Psychotherapy); a Fellow of the American Counseling Association; and a Fellow of the Association for Specialists in Group Work. Both Jerry...