Alexander L. Chapman, PhD, RPsych, is professor, director of clinical training, and coordinator of the clinical science area in the psychology department at Simon Fraser University in Canada, as well as a registered psychologist and president of the DBT Centre of Vancouver.
Kim L. Gratz, PhD, is a senior clinical quality manager and clinical lead of the DBT program at Lyra Health. She also maintains an appointment in the department of psychology at the University of Toledo, where she previously served as professor and chair.
Matthew T. Tull, PhD, is professor in the department of psychology at the University of Toledo, Ohio.
Stephen R. Thorne is a professional actor and a member of the Trinity Repertory Company in Providence, Rhode Island. He has played Hamlet, Henry V, and Tom Joad, among many other roles. Stephen has narrated over fifty audiobooks.
Terence M. Keane, PhD, is associate chief of staff for research and development and director of the behavioral sciences division of the National Center for PTSD at the VA Boston Healthcare System. He is also currently president of the Anxiety Disorders Association of America.