Jonathan S. Abramowitz, PhD, ABPP, is Professor of Psychology and Neuroscience, Research Professor of Psychiatry, and Director of the Anxiety and Stress Disorders Clinic at the University of North Carolina at Chapel Hill. Dr. Abramowitz conducts research on anxiety disorders and has published over 250 articles, book chapters, and books. He serves as Editor of the Journal of Obsessive-Compulsive and Related Disorders and is on the editorial boards of several other scientific journals. He is past president of the Association for Behavioral and Cognitive Therapies and serves on the scientific and clinical advisory board of the International OCD Foundation. Dr. Abramowitz is a recipient of the Outstanding Contributions to Research Award from the Mayo Clinic Department of Psychiatry and Psychology and the David Shakow Early Career Award for Distinguished Scientific Contributions to Clinical Psychology from Division 12 of the American Psychological Association. His books include Getting Over OCD, Second Edition, and The Stress Less Workbook (for general readers) and Exposure Therapy for Anxiety, Second Edition (for mental health professionals).

Brett J. Deacon, PhD, is a clinical psychologist in private practice in Wollongong, Australia, and Conjoint Associate Professor at the University of New South Wales. He has published approximately 100 research articles and book chapters, served as Editor of The Behavior Therapistand Associate Editor of the Journal of Cognitive Psychotherapy, and is an editorial board member of numerous scientific journals. Dr. Deacon's research examines the dissemination, optimal delivery, and acceptability of exposure therapy for anxiety. He is the recipient of numerous teaching, research, and student mentorship awards from the University of Wyoming, as well as the Golden Anniversary Alumni Award from Northern Illinois University College of Liberal Arts and Sciences. Dr. Deacon presents workshops around the world on exposure therapy.

Stephen P. H. Whiteside, PhD, ABPP, is Professor of Psychology and Director of the Pediatric Anxiety Disorders Program at the Mayo Clinic in Rochester, Minnesota. His research focuses on improving access to evidence-based care for pediatric anxiety disorders and obsessive-compulsive disorder through the development of effective and efficient treatments facilitated by technology. Dr. Whiteside serves on the editorial board of the Journal of Anxiety Disorders and on the Education and Training Committee of the Minnesota Psychological Association. He has published over 60 scientific articles and is the codeveloper of the Mayo Clinic Anxiety Coach, a smartphone app that aids in the delivery of exposure.