Julie Erickson, PhD , is a clinical psychologist, and adjunct faculty member in the department of applied psychology and human development at the University of Toronto. Erickson's research interests focus on optimizing evidence-based psychological treatment for older adults, and reducing barriers to treatment-seeking. She offers workshops, seminars, and clinical supervision on cognitive behavioral therapy (CBT) with older adults. She maintains an active clinical practice focusing on the treatment of adults across the lifespan. Erickson's research has been published in journals such as Aging and Mental Health , Depression and Anxiety , Clinical Psychology Review , and Cognitive and Behavioral Practice . Neil A. Rector, PhD , is a senior research scientist at the Sunnybrook Research Institute (SRI); director of the Mood and Anxiety Research and Treatment Program; and director of research for the Thompson Anxiety Disorder Centre in the department of psychiatry at the Sunnybrook Health Sciences Centre in Toronto, ON, Canada. Rector's research interests focus on the study of cognitive and behavioral mechanisms of vulnerability in the development and persistence of anxiety and mood disorders, and their treatment with CBT.

In addition to having an active CBT practice, Rector trains and supervises psychology and psychiatry students, runs workshops nationally and internationally, and is founder and director of the Forest Hill Centre for CBT in Toronto. He has published more than 150 scientific publications and book chapters, and is author of seven books. Foreword writer Robert L. Leahy, PhD , is author or editor of twenty-nine books, including If Only.: Finding Freedom from Regret , The Worry Cure , and The Jealousy Cure . He is director of the American Institute for Cognitive Therapy in New York, NY, and clinical professor of psychology at Weill Cornell Medical College.