Jeremy D. Safran, PhD, until his death in 2018, was Professor of Psychology at the New School for Social Research, where he served for many years as Director of Clinical Training, and Senior Research Scientist at New York's Beth Israel Medical Center. A renowned psychotherapy researcher, clinician, teacher, and mentor, Dr. Safran was past president of the International Association for Relational Psychoanalysis and Psychotherapy. He was a recipient of honors including the Senior Distinguished Research Career Award from the Society for Psychotherapy Research and the Scholarship and Research Award from Division 39 of the American Psychological Association. J. Christopher Muran, PhD, is Chief Psychologist and Director of the Brief Psychotherapy Research Program at Beth Israel Medical Center, where he maintains a private practice. He is also Associate Professor of Psychiatry at Albert Einstein College of Medicine. He completed a fellowship in cognitive-behavioral therapy at the Clarke Institute of Psychiatry, University of Toronto, as well as analytic training in the New York University Postdoctoral Program. He received the Early Career Award from the Society for Psychotherapy Research, and serves as an advisory editor for Psychotherapy Research. He is the coeditor of The Therapeutic Alliance in Brief Psychotherapy and editor of the forthcoming Self-Relations in the Psychotherapy Process.