LEONARD A. JASON, PhD, is former president of APA s division of Community Psychology and has written or edited fifteen books, including A Clinician s Guide to Controversial Illnesses (with Renée R. Taylor and Fred Friedberg) and Understanding Chronic Fatigue Syndrome (with Fred Friedberg). He is the Director of the Center for Community Research at DePaul University.

PATRICIA A. FENNELL, MSW, CSW-R, is a researcher and clinician specializing in chronic illness and trauma. She is CEO of Albany Health Management, Inc., a center for counseling, consulting, professional education, doctoral training for the State University of New York, and for collaborative international research using her empirically validated "Four-Phase Model". Her recent publications include Managing Chronic Illness Using the Four-Phase Treatment Approach: A Mental Health Professional s Guide to Helping Chronically Ill People (Wiley) and The Chronic Illness Workbook.

RENÉE R. TAYLOR, PhD, is an Associate Professor in the Department of Occupational Therapy at the University of Illinois, Chicago. She specializes in research on chronic fatigue and is coauthor of A Clinician s Guide to Controversial Illnesses (with Fred Friedberg and Leonard A. Jason).

CHARLES W. LAPP, MD, is Director of the Hunter-Hopkins Center in Charlotte, North Carolina, which specializes in the treatment of CFS. He is former vice president of the American Association for CFS and a board member of the American Fibromyalgia Syndrome Association.