Jack Mendelson, M.D. Honorary Lecture 2019 NIAAA established the Jack Mendelson, M.D., Honorary Lecture Series commemorating Dr. Mendelson ’ s remarkable contributions to the field of clinical alcohol research. In 2019 NIAAA selected Carlo C. DiClemente, PhD, to deliver NIAAA ’ s 11th Annual Mendelson Lecture. Carlo C. DiClemente, Ph.D., is an internationally distinguished scientist whose research has revolutionized the behavioral treatment and prevention of addiction and other health-related disorders. He has made groundbreaking contributions to understanding the process of human intentional behavior change. Dr. DiClemente is the co-developer of the Transtheoretical Model of behavior change (TTM), a model which had its beginnings in the field of smoking and addictive behaviors. The TT...