William C. Sanderson, Ph.D., is a Professor of Psychology at Hofstra University. His primary areas of research include anxiety disorders, depression, and cognitive behavior therapy. Dr. Sanderson’s clinical expertise is in Cognitive Behavioral Therapy for patients with anxiety and depressive disorders, and he has been treating and conducting research on such patients since 1983. Dr. Sanderson is a Founding Fellow of the Academy of Cognitive Therapy and he has participated on numerous national committees, including the American Psychiatric Association's DSM-IV Anxiety Disorders Workgroup, and was recently the Chair of the American Psychological Association Division of Clinical Psychology's Committee on Science and Practice (a Task Force aimed at identifying and promoting the practice of empirically supported psychological interventions). He has published seven books and over 80 articles and chapters, primarily in the areas of anxiety, depression, personality disorders, and CBT.