Robert H. Klein is Distinguished Life Fellow and past president of the American Group Psychotherapy Association, diplomate in group psychology, lecturer in the department of psychiatry at the Yale School of Medicine and a certified group psychotherapist. Cecil A. Rice is a licensed psychologist, co-founder and president of the Boston Institute for Psychotherapy, and associate editor of the International Journal of Group Psychotherapy. Victor L. Schermer is a licensed clinical psychologist, director of the Study Group for Contemporary Psychoanalytic Process, fellow of the American Group Psychotherapy Association and a certified group psychotherapist.