Barent W. Walsh, PhD, is Executive Director of The Bridge of Central Massachusetts in Worcester and Teaching Associate in Psychiatry at Harvard Medical School. The Bridge specializes in implementing evidence-based practice models according to protocol in public-sector settings. It comprises over 40 programs serving persons with mental health or developmental disability challenges, including special education; residential treatment; wraparound services; supported housing services; a drop-in center for gay, lesbian, bisexual, and transgender teens; and a program for homeless people. A recipient of the Lifetime Achievement Award from the Massachusetts chapter of the National Association of Social Workers, Dr. Walsh has worked with self-injuring persons for over 40 years and has conducted research, written extensively, and presented internationally on self-injury. He has consulted on this topic at numerous schools, outpatient clinics, group homes, psychiatric hospitals, and correctional facilities, and has also served on the clinical and research faculties of the Simmons and Boston College Schools of Social Work.