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Prof Raymond A. DiGiuseppe

Ph.D., ABPP, Professor of Psychology and Chair of the Institutional Review Board


Ray DiGiuseppe, Ph.D., ABPP is Professor of Psychology and Chair of the Institutional Review Board at St John’s University, Director of Professional Education at the Albert Ellis Institute (AEI)and studies anger as a clinical problem.

Ray DiGiuseppe received his Ph.D. from Hofstra University ins suburban New York in 1975 and did a two-year post-doctoral fellowship with Albert Ellis. He was elected a fellow of the American Psychological Association’s divisions of Clinical, School, Psychotherapy, and Family Psychology, the Association for Psychological Science, and the Association for Behavioral and Cognitive Therapies.

One indication of his range of clinical and research experience is his Fellow status with the American Psychological Association in not one but four divisions: Psychotherapy, Clinical, School, and Family Psychology.

His distinguished career has spanned nearly five decades. He has promoted the recognition of anger as a form of psychopathology, and studies the diagnosis, assessment, and treatment of persons with anger problems. He has developed standards for identifying anger diagnostic disorders. Professor DiGiuseppe has published more than 120 scientific papers and book chapters and is a co-editor of the Journal of Rational-Emotive and Cognitive-Behavior Therapy as well as two psychological tests assessing dysfunctional anger:

  • the Anger Disorders Scale (ADS) for adults and
  • the Anger Regulation and Expression Scale (ARES) for children and adolescents.

He works on the development of the theory, practice, and empirical research support of Rational Emotive Behavior Therapy and Cognitive Behavior Therapies. He is presently developing measures of Ellis’ concept of irrational and rational beliefs and their relationship to other cognitive behavior constructs and emotional disturbance.

He has published extensively on anger and his works include Understanding Anger Disorders, the Anger Disorders Scale, and the Anger Regulation and Expression Scale. He has also published extensive in REBT and co-authored the Practitioners Guide to Rational Emotive Behavior Therapy.

He served as president of the Association of Behavioral and Cognitive Therapies (2006) and the Society for the Advancement of Psychotherapy in 2014 (Division 29 of the American Psychological Association).

A popular conference speaker, Professor DiGiuseppe pioneered popular presentation formats, such as the Master Clinician Series and World Rounds.

He is presently Professor of Psychology at St. John's University in New York, and Director of Education at the Albert Ellis Institute.

He has maintained a practice seeing angry clients and has led two anger groups per week.