Biographical note

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 part-time practice. He is past-president of the APA Society of Clinical Psychology, the APA Division of Psychotherapy, and the Society for the Exploration of Psychotherapy Integration. Among his 25 coauthored books are the Handbook of Psychotherapy Integration, Clinician's Guide to Evidence-Based Practice in Behavioral Health, Insider's Guide to Graduate Programs in Psychology, Psychologists' Desk Reference, and Systems of Psychotherapy: A Transtheoretical Analysis, now in its 9th edition. Michael J. Lambert, PhD, was Susa Young Gates University Professor and Professor of Psychology at Brigham Young University. He is currently retired from his academic position and is a part-time clinician in private practice. He authored Prevention of Treatment Failure and edited the fifth and sixth editions of Bergin and Garfield's Handbook of Psychotherapy and Behavior Change. He is past President of the Society for Psychotherapy Research. Bruce E. Wampold, PhD, ABPP, is Director of the Research Institute at Modum Bad Psychiatric Center in Norway, Emeritus Professor of Counseling Psychology at the University of Wisconsin-Madison, and Chief Scientist of Theravue, an electronic platform for therapist improvement. He is the recipient of the APA Gold Medal for Life Achievement in the Application of Psychology. He currently serves as president of the Society for Psychotherapy Research and authored The Great Psychotherapy Debate: The Evidence for What Makes Psychotherapy Work.