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David A. Clark, PhD, is Professor Emeritus, Department of Psychology, University of New Brunswick, Canada and a practicing clinical psychologist with 30+ years in providing cognitive behavioral treatment for depression, anxiety, and stress.  He received his PhD from the Institute of Psychiatry, London, England and pursued postdoctoral work at the University of Pennsylvania Medical School under Professor Aaron T. Beck.

He maintained an active research program on the cognitive features of depression, anxiety and OCD and continues to provide advanced CBT workshops globally.  He is a Fellow of the Canadian Psychological Association, Founding Fellow/Trainer Consultant of the Academy of Cognitive and Behavioral Therapies, ad hoc consultant with the Beck Institute and recipient of the Aaron T. Beck Award in 2008.  He has authored 12 books and published over 125 research papers and chapters on the emotional disorders.

Several of these publications are co-authored with Dr. Beck including Cognitive Therapy for Anxiety Disorders (Guilford, 2010), and The Anxiety and Worry Workbook (Guilford, 2012).  He is sole author of The Anxious Thoughts Workbook (New Harbinger, 2018) and Cognitive-Behavioral Therapy for OCD and Its Subtypes (Guilford, 2020) and The Negative Thoughts Workbook (New Harbinger, 2020).  He has a blog with Psychology Today called the Runaway Mind.

David A. Clark, PhD will present on the Character Flaw Self-Depreciation.


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Dr. Joseph Williams shares about helping others during the 2019 government shutdown.
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