He works in forensic and clinical psychology at the Erie County Holding Center in Buffalo, NY. He also serves as the Unit Chief for a specialized psychiatric inpatient unit for individuals who are aggressive due to serious mental illness at a large county hospital. Previously, Dr. Leidenfrost worked at Child & Family Services where he conducted risk assessment, along with individual and group treatment with sex offenders. Dr. Leidenfrost’s various research activities include the provision of mental health treatment to inmates with serious mental illness in jail and the treatment and management of aggressive psychiatric. He is a board member for the NYS Alliance for the Prevention of Sexual Abuse.