Claudia Black: Claudia Black, PhD is a renowned addictions and codependency expert, author, and trainer internationally recognized for her pioneering and contemporary work with family systems and addictive disorders. Since the 1970s, Dr. Black’s work has encompassed the impact of addiction on young and adult children. She has offered models of intervention and treatment related to family violence, addiction, relapse, anger, depression, and women’s issues. Dr. Black designs and presents training workshops and seminars to professional audiences in the field of family service, mental health, addiction, and correctional services. She serves on the Advisory Board for the National Association of Children of Alcoholics, and the Advisory Council of the Moyer Foundation.