Brian A. Sharpless, PhD, is a clinical psychologist with a practice in the greater Washington, D.C., area. He has held faculty positions at several institutions, including The Pennsylvania State University, Washington State University, and the American School of Professional Psychology, and was most recently a Visiting Research Fellow at Goldsmiths, University of London. Dr. Sharpless has authored more than 55 professional publications, including several books, on psychodynamic therapy, unusual psychological disorders, parasomnias, professional issues, and the history and philosophy of psychology. He is a frequent lecturer in the United States and abroad. His website is www.briansharpless.com.

Jacques P. Barber, PhD, ABPP, is a clinical psychologist and Emeritus Professor and former Dean of the Gordon F. Derner School of Psychology at Adelphi University. He is also Emeritus Professor at the University of Pennsylvania and Adjunct Professor of Psychiatry at New York University, and has been a visiting professor at the Karolinska Institute in Stockholm and at two universities in Australia. Dr. Barber is past president of the International Society for Psychotherapy Research and a recipient of its Outstanding Early Career Award and Distinguished Research Career Award. He also received the Distinguished Psychologist Award from the Society for the Advancement of Psychotherapy (Division 29 of the American Psychological Association) and the Research Award from the Society for Psychoanalysis and Psychoanalytic Psychology (Division 39 of the American Psychological Association). His research focuses on the outcome and process of psychodynamic and cognitive therapies for depression, panic disorder, substance dependence, and personality disorders. Dr. Barber has published more than 300 papers, chapters, and books. He is most proud of the students and postdocs he has mentored during his career.

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