Diagnostic Interviewing

Michel Hersen, Ph.D., ABPP, is Professor and Dean of the School of Professional Psychology at Pacific University He is a Fellow of the American Psychological Association, was awarded a lifetime achievement award from the American Board of Medical Psychotherapists and Psychodiagnosticians, and holds a Diplomate from the American Board of Behavioral Psychology. He is past president of the Association for Advancement of Behavior Therapy. He has written many books and papers, and is the editor of Clinical Case Studies, Clinical Psychology Review, Behavior Modification, Journal of Anxiety Disorders, Aggression and Violent Behavior: A Review Journal, Journal of Family Violence, and The Journal of Developmental and Physical Disabilities. Hersen's research interests include the assessment and treatment of older adults, single case research, and administration.

Daniel L. Segal received his Ph.D. in clinical psychology from the University of Miami in 1992 and completed a post-doctoral fellowship in clinical geropsychology at Nova Southeastern University. He is a Professor and Director of Clinical Training in the Psychology Department at the University of Colorado at Colorado Springs (UCCS), having joined the faculty in 1995. His research interests include diagnostic and assessment issues in clinical psychology and clinical geropsychology, suicide prevention and aging, and the expression and impact of personality disorders across the lifespan. He has published over 80 journal articles and book chapters on these topics. His book (with co-authors Frederick L. Coolidge and Erlene Rosowsky) on Personality Disorders and Older Adults: Diagnosis, Assessment, and Treatment was published in 2006. He has also edited two volumes in major reference works: One volume focused on personality assessment (in the Comprehensive Handbook of Psychological Assessment, 2004) and the other examined personality and everyday functioning (in the Comprehensive Handbook of Personality and Psychopathology, 2006). He serves on the editorial boards of two journals (Behavior Modification; Clinical Case Studies), is an Associate Editor for the Clinical Gerontologist, and is a Fellow of the Gerontological Society of America. He received the Outstanding Teacher award from the UCCS College of Liberal Arts and Sciences in 2002 and from the UCCS Campus in 2006. Outside of his professional hours, he can be found playing tennis and golf, and enjoying the company of his wife, daughter, and three cats.