David A Clark
Clinical psychologist David A.Clark, PhD, is a professor emeritus at the UniversitÃ© of New Brunswick. He is the author or coauthor of a number of books on depression, anxiety, and obsessive-compulsive disorder (OCD), including The Anxiety and Concern Workbook, which he coauthored with Aaron T. The Anxious Thoughts Workbook, Beck (the creator of cognitive therapy), and Cognitive-Behavioral Treatment for OCD and Its Subtypes. Clark is a fellow of the Canadian Psychological Association and a founding fellow and trainer consultant with the Academy of Cognitive and Behavioral Therapies. He is the author of www.psychologytoday.com's blog, The Runaway Mind.