William R. Miller, PhD, is Distinguished Professor of Psychology and Psychiatry at the University of New Mexico, where he is also Codirector of the Center on Alcoholism, Substance Abuse, and Addictions. Dr. Miller's publications encompass more than 300 articles and chapters as well as 27 books, including [i]Quantum Change: When Epiphanies and Sudden Insights Transform Ordinary Lives[/i](with Janet C'de Baca). He maintains an active interest in pastoral counseling and the integration of spirituality and psychology. Dr. Miller is supported by a 15-year senior career Research Scientist Award from the National Institute on Alcohol Abuse and Alcoholism, which allows him to focus full time on clinical research. Stephen Rollnick, PhD, is on the faculty in the Department of General Practice at the University of Wales College of Medicine. He has also worked for many years as a clinical psychologist in the British National Health Service. With a background in the addiction field, his interest turned to consultations about behavior change in wider healthcare practice, where practitioners try to encourage patients to change their lifestyle and use of medication. Dr. Rollnick's research and teaching activity is now focused on the behavior of practitioners and other topics. He has trained practitioners in many countries and continents, and has published a wide range of research papers, articles, and books.
Stephen Rollnick, PhD, is a clinical psychologist and Professor of Health Care Communication in the Department of Primary Care and Public Health at Cardiff University, UK. He practiced in a primary care setting for 16 years and then became a teacher and researcher on the subject of communication. Dr. Rollnick has written books on motivational interviewing and health behavior change and has a special interest in challenging consultations in health and social care. He has published widely in scientific journals and has taught practitioners and trainers in many countries throughout the world. nbsp; William R. Miller, PhD, is Emeritus Distinguished Professor of Psychology and Psychiatry at the University of New Mexico, where he joined the faculty in 1976. He served as Director of Clinical Training for UNM's American Psychological Association-approved doctoral program in clinical psychology and as Codirector of UNM’s Center on Alcoholism, Substance Abuse, and Addictions. Dr. Miller’s publications include 35 books and more than 400 articles and chapters. He introduced the concept of motivational interviewing in a 1983 article. The Institute for Scientific Information names him as one of the world's most cited scientists. nbsp; Christopher C. Butler, MD, is Professor of Primary Care Medicine and head of the Department of Primary Care and Public Health at Cardiff University, UK. He trained in medicine at the University of Cape Town and in clinical epidemiology at the University of Toronto. For his doctoral work, under the direction of Stephen Rollnick, he developed and evaluated behavior change counseling and conducted qualitative research into patients’ perceptions of advice against smoking from clinicians. Dr. Butler has published more than 70 papers, mainly on health behavior change and common infections. He has a general medical practice in a former coal-mining town in south Wales.