John Hamilton re-joined Liberation Programs in 2018, having served as the agency’s Vice President of Clinical Services and Senior Vice President from 1996-2006.
He is nationally recognized as an expert in the field of addiction treatment and prevention, and brings three decades of experience to his role as President and Chief Executive Officer. John chairs the advisory board for the Connecticut Department of Mental Health and Addiction Services (DMHAS) and serves on the Governors Alcohol and Drug Policy Council.

Previously, John was the Chief Clinical Outreach Officer at Mountainside Treatment Center, a nationally acclaimed drug rehabilitation center with locations in New York and Connecticut. He served as the Chief Executive Officer of Recovery Network of Programs, a non-profit behavioral health agency serving the Greater Bridgeport Community. John is Past Chair
of the Dissemination Committee for the National Institute for Drug Abuse (NIDA) Clinical Trials Network, Past Chair of the Community Treatment Providers Caucus, Past President of the Southwest Connecticut Mental Health Board, Past President of the New England Association of Drug Court Professionals, and co-Founder of the Greenwich Father’s Forum. He has consulted for NIDA and the Substance Abuse and Mental Health Service Administration (SAMHSA).

Mr. Hamilton extended his expertise overseas and consulted for the Ministry of Health in the Cayman Islands and helped design and implement the first voluntary addiction treatment system in Vietnam.

In 2013, John was the recipient of the American Association for the Treatment of Opioid Dependence (AATOD) Nyswander-Dole Award for his contributions to the field of Addiction Treatment.