Blaise Aguirre, MD, is assistant professor of psychiatry at Harvard Medical School, and an expert in child, adolescent, and adult psychotherapy, including dialectical behavior therapy (DBT), and medication evaluation and management. He is founding medical director of McLean 3East—a unique residential DBT program for young women exhibiting self-endangering behaviors and borderline personality disorder (BPD) traits. Dr. Aguirre has been a staff psychiatrist at McLean since 2000, and is internationally recognized for his extensive work in the treatment of mood and personality disorders in adolescents. He lectures regularly in Europe, Africa, and the Middle East on DBT and BPD. Dr. Aguirre is author of Borderline Personality Disorder in Adolescents and Depression (Biographies of Disease), and coauthor of Mindfulness for Borderline Personality Disorder and Helping Your Troubled Teen.