Jeffrey A. Hayes, PhD, is a professor at the Pennsylvania State University, where he has been a faculty member since 1993. Throughout his career, Dr. Hayes has researched and written about psychotherapy, focusing primarily on the characteristics of treatment providers that affect therapy process and outcome. During the past decade, he has also conducted research on college student mental health. Dr. Hayes has more than authored more than 100 publications, including two books. His research has been funded by several agencies, including the American Psychological Foundation and the American Foundation for Suicide Preventions. He has received early career awards from both the Society for Psychotherapy Research and the American Psychological Association, where he is a fellow in two divisions. Dr. Hayes has served as President of the North American Chapter of the Society for Psychotherapy Research, was chair of the Education and Training Committee for the American Psychological Association's Division of Psychotherapy and was associate editor of the Journal of Counseling Psychology. Dr. Hayes is currently the editor of Psychotherapy Research. He is a licensed psychologist and has provided psychotherapy to adults for the past 25 years. He lives with his wife, who is a psychologist in independent practice, in State College, PA.