Thomas Marra, Ph.D., founded and directed one of the first inpatient psychiatric programs using dialectic behavior therapy as the clinical focus of treatment for every patient admitted to the facility, regardless of diagnosis. He has practical and theoretical experience in treating a wide patient population using the principles and strategies of DBT. He has been practicing clinical psychology for 25 years, first as a military psychologist in both inpatient and outpatient settings, then in civilian settings as administrator, trainer, and clinician. He is author of Dialectical Behavior Therapy in Private Practice and Depressed and Anxious.