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Guy Diamond

Guy Diamond


Director - Family Intervention Science

Counseling and Family Therapy Department

267.359.5530 P
267.359.5576 F
1601 Cherry Street, Room 728

Guy Diamond PhD is Professor Emeritus at the University of Pennsylvania School of Medicine and Associate Professor at Drexel University in the College of Nursing and Health Professions. At Drexel, he is the Director of Family Intervention Science and the Director of the PhD program in Couple and Family Therapy. Family Intervention Science was founded in 1996 and has received funding from NIMH, SAMSHA, CDC, CSAT and several private foundations. Family Intervention Science is dedicated to the development; testing and dissemination of Attachment-Based Family Therapy (ABFT) for depressed and suicidal youth. ABFT has been rigorously tested in several clinical trials and process research studies and now enjoys the distinction of being an empirically supported treatment on SAMHSA’s NREPP web site. Dr. Diamond is also the lead developer of the Behavioral Health Screening (BHS) tool, a web based tool for mental health and non mental health settings. The BHS is in primary care, emergency rooms, schools and college health and mental health centers. Dr. Diamond recently became the Director of the PhD program for the Couple and Family Therapy program at Drexel. The new program aims to train the next generation of family intervention scientist who can bring more empirical support to family therapy and help disseminate it into the health care environment.

Along with his co-authors, Drs. Gary Diamond and Suzanne Levy, Dr. Diamond has written the first book on ABFT, Attachment-Based Family Therapy for Depressed Adolescents, published by the American Psychological Association. For more information on the book, go to

View Biographical Sketch of Dr. Diamond