Barry Lessin is an addiction psychologist and public health advocate with a career spanning almost 40 years as a clinician, administrator, educator, and researcher.

He has a private practice with offices in Philadelphia and the suburbs, working with teenagers, young adults and their families struggling with substance use disorders and related mental health issues.

In addition to his clinical work, Barry’s passion is advocating for drug policy reform, reality-based education programs and effective and accessible treatment for substance use disorders.
  • M.Ed., School Psychology, Temple University; BS, Psychology, Pennsylvania State University
  • Pennsylvania Licensed Psychologist; Certified Advanced Alcohol and Drug Counselor
  • Clinical Director and Partner of Broken No More and GRASP (Grief Support After a Substance Passing)
  • Addiction Psychology, Harm Reduction Psychotherapy, Parenting Adolescents and Young Adults