Dr. William C. Sanderson is a clinical psychologist  (NY License #10084, FL telehealth provider #TPPY1232) with over 35 years of experience using  cognitive behavior therapy, an evidence-based type of psychotherapy, to help individuals suffering from anxiety disorders and depression.

Dr. Sanderson is Professor of Psychology and Director of the Anxiety and Depression Clinic and  PhD Program in Clinical Psychology at Hofstra University (Long Island, NY) where he teaches and conducts research on the nature and treatment of anxiety disorders and depression. 

He received his Ph.D. working under the mentorship of Dr. David Barlow at the Center for Stress and Anxiety Disorders. He then completed a Fellowship in Cognitive Therapy with Dr. Aaron T. Beck (the founder of Cognitive Therapy) at the Center for Cognitive Therapy, University of Pennsylvania. 

Dr. Sanderson is a Founding Fellow of the Academy of Cognitive Therapy and was a Board Member for 20 years. He has participated on numerous national committees, including the American Psychiatric Association's DSM-IV Anxiety Disorders Workgroup, served as Editor of The Clinical Psychologist, and was 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 evidence-based psychological interventions). 

He has published more than 100 articles (including 7 books), primarily in the areas of anxiety, depression, personality disorders, evidence-based treatments,  cognitive behavior therapy, and evolutionary psychology.  For a complete list of publications see his vita.