David A Clark, PH.D.

David A. Clark, PhD , is a clinical psychologist, and professor emeritus at the University of New Brunswick. He is author or coauthor of several books on depression, anxiety, and obsessive-compulsive disorder (OCD), including The Anxiety and Worry Workbook with Aaron T. Beck (founder of cognitive therapy), The Anxious Thoughts Workbook , The Negative Thoughts Workbook , and Cognitive-Behavioral Therapy for OCD and Its Subtypes . Clark is a founding fellow and trainer consultant with the...See more

David A. Clark, PhD , is a clinical psychologist, and professor emeritus at the University of New Brunswick. He is author or coauthor of several books on depression, anxiety, and obsessive-compulsive disorder (OCD), including The Anxiety and Worry Workbook with Aaron T. Beck (founder of cognitive therapy), The Anxious Thoughts Workbook , The Negative Thoughts Workbook , and Cognitive-Behavioral Therapy for OCD and Its Subtypes . Clark is a founding fellow and trainer consultant with the Academy of Cognitive and Behavioral Therapies, and fellow of the Canadian Psychological Association. He is author of the blog, The Runaway Mind , on www.psychologytoday.com. See less