Cognitive Group Psychotherapy, Psychodrama and Sociometry, Cognitive Therapy of Depression, Anxiety, Couple/Relationship/Partner Conflicts-Social Network Problems. He is currently studying Social-Psychological Processes of Collaborative on-line Communication Styles of Electronic Groups via the Internet. Additionally, he is a Clinical Associate at The Center for Cognitive Therapy, University of Pennsylvania, Editor of The Group Psychologist, Division 49, American Psychological Association, Group Psychology and Group Psychotherapy, and consulting Editor of Group.