James O. Prochaska, PhD, is Professor of Psychology and Director of the Cancer Prevention Research Consortium at the University of Rhode Island, where he co-developed the transtheoretical /stages of change model. Dr. Prochaska has over 50 years of psychotherapy experience in a variety of settings and is the first psychologist to win a Medal of Honor for Clinical Research from the American Cancer Society. His books include Changing for Good and Changing to Thrive.
John C. Norcross, PhD, ABPP, is Distinguished Professor of Psychology at the University of Scranton, Adjunct Professor of Psychiatry at SUNY Upstate Medical University, and a clinical psychologist in independent practice. Among his books are Psychotherapy Relationships That Work, Handbook of Psychotherapy Integration, and Insider's Guide to Graduate School in Clinical and Counseling Psychology.