Sam MacMaster, Ph.D.

Chief Operating Officer

Samuel A. MacMaster, Ph.D. is an expert in the behavioral health and substance use disorder fields with over three decades of experience in the design, delivery, and evaluation of substance use and mental health treatment services. He has developed programs across the United States, and in several foreign countries, focused on implementing innovative approaches to meeting the needs of underserved populations. He was the Co-founder of a behavioral health company where he served as the Chief Clinical Officer; and has held similar executive level positions in two other large national treatment organizations where he was responsible for developing and driving similar rates of growth and quality in clinical programming. He is currently an Associate Professor of Psychiatry and Behavioral Sciences at Meharry Medical College and was previously a member of the faculty of the Department of Family and Community Medicine at Baylor Medical College and the College of Social Work at the University of Tennessee.

A pioneer in the area of outcome studies and the identification of barriers to engagement in treatment services, Sam has conducted numerous federally funded research studies and demonstration projects regarding the efficacy of behavioral health approaches. He has been a frequent speaker at academic and industry conferences across the globe and has published three books and over 75 peer-reviewed articles focused on behavioral health topics. He holds a PhD in Social Welfare and a Master of Science in Social Administration from Case Western Reserve University, and a bachelor’s degree in psychology from Miami of Ohio. Prior to entering academia in 1999, Dr. MacMaster worked as a clinician for over a decade in a variety of addiction treatment settings. A person living in long-term recovery, he remains a tireless advocate for recovery for all individuals who struggle.