Richard M. BillowRichard M. Billow, PhD, is a diplomate in group psychotherapy, a clinical psychologist and psychoanalyst, and an active contributor to the psychoanalytic and group literature. He is Clinical Professor and Director of the Group Program of the Derner Istitute of Advanced Psychological Studies, Adelphi University, New York, with a private practice in Great Neck, New York. Read More Read Less