Marc Fishman MD is an addiction psychiatrist whose work includes clinical care, addiction research, and treatment program leadership. He directs Maryland Treatment Centers/Mountain Manor, a regional behavioral healthcare provider, which offers programs for residential and outpatient SUD and co-occurring treatment for youth and adults. He is a member of the psychiatry faculty at Johns Hopkins University School of Medicine. His academic and research work has focused on addiction pharmacotherapy; models of care for youth, particularly with OUD; and treatment placement and matching strategies. Dr. Fishman served as a co-editor for the most recent editions of the ASAM Criteria for the Treatment of Substance-Related Disorders. He served as a past President of the Maryland Society of Addiction Medicine, and is a current member of its board.