James O. Prochaska is Director of Cancer Prevention Research Center and Professor of Clinical and Health Psychology at the University of Rhode Island. He is the author of over 400 publications, including three books, Changing for Good, Systems of Psychotherapy and The Transtheoretical Approach. He is internationally recognized for his work as a developer of the stage model of behavior change. He is the principal investigator on over $70 million dollars in research grants for the prevention of cancer and other chronic diseases. He is the founder of Pro-Change Behavior Systems. Dr. Prochaska has won numerous awards including the Top Five Most Cited Authors in Psychology from the American Psychology Society, an Innovator’s Award from the Robert Wood Johnson Foundation and is the first psychologist to win a Medal of Honor for Clinical Research from the American Cancer Society. Dr. Prochaska has recently been recognized as one of the top three most preeminent clinical psychologist.