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About The International CBASP Society

The International CBASP Society was founded to promote knowledge of the Cognitive Behavioral Analysis System of Psychotherapy (CBASP) and help train clinicians in CBASP, promote research in CBASP and disseminate and promulgate CBASP. It is our mission to help individuals suffering from the despair and destruction of persistent depressive disorders. We feel strongly that CBASP is part of the answer in helping to lead people out of depression. Thus, our goal is to promote CBASP and encourage continuing training, teaching, research and practice around the globe!

The Cognitive Behavioral Analysis System of Psychotherapy (CBASP) was developed specifically to treat the persistently depressed adult. CBASP is an empirically supported psychotherapy and has been identified by the Society of Clinical Psychology, Division 12 of the American Psychological Association as having Strong Evidence for the treatment of persistent depression. It has been tested in the largest psychotherapy and medication clinical trial ever conducted in psychology and psychiatry and was found to be as effective as medication, and when combined with medicine it produced highly significant response to treatment rates. CBASP has been successfully administered with persistently depressed patients, and when CBASP is combined with a contemporary antidepressant medicine, prognosis for a favorable outcome is good.

Research continues to be conducted around the globe exploring the power and impact of CBASP for persistent depression and related disorders.

We hope to help promote knowledge about CBASP in addition to promoting professionals to become trained and certified to provide CBASP to their patients.

With your membership to the International CBASP Society, you will have access to materials and continuing education materials to help facilitate your knowledge and understanding of CBASP and how to implement it successfully. 

Meet The CBASP Board Members


James P. McCullough, Jr., Ph.D.

Developer of CBASP

Department of Psychology
Virginia Commonwealth University
806 W. Franklin Street, Richmond
VA. 23284-2018



Dr Massimo Tarsia


Midlothian Psychological Therapies Service
Number 11
11 St Andrew Street
EH22 1AL
Scotland, UK


Anna-Maija Kokko


Private Practice
Mikkeli, Finland


Liliane Sayegh


Douglas Mental Health University Institute
Newman Pavilion
6875 LaSalle Boulevard
Montreal, Quebec
H4H 1R3, Canada


Christopher Gioia


Psychology Research & Training Clinic
University of Wisconsin- Madison
Madison, WI


J. Kim Penberthy, Ph.D., ABPP

Communications Officer, Past President

Chester F. Carlson Professor of Psychiatry & Neurobehavioral Sciences
Department of Psychiatry & Neurobehavioral Sciences
University of Virginia School of Medicine
Charlottesville, Virginia 22908