Thröstur Björgvinsson, PhD, ABPP

Thröstur Björgvinsson, PhD, ABPP

McLean Hospital Title
Harvard Medical School Title
  • Associate Professor of Psychology, Department of Psychiatry


Thröstur Björgvinsson, PhD, ABPP, is director of program evaluation and co-director of research at the Behavioral Health Partial Hospital Program at McLean Hospital and associate professor of psychology in the Department of Psychiatry at Harvard Medical School. In his role as co-director of psychology training at McLean Hospital/Harvard Medical School, he oversees McLean’s nationally recognized, APA approved, pre-doctoral internship in clinical psychology. Prior to joining McLean, from 2000 to 2008 he developed and directed the nationally recognized OCD treatment program at the Menninger Clinic.

Dr. Björgvinsson has developed a national and international reputation as a clinical innovator, particularly in the implementation of cognitive behavior therapy (CBT) for the treatment of severe anxiety and obsessive compulsive disorders. His research interests focus on treatment outcomes, seeking to establish the effectiveness of CBT for a wide range of psychiatric disorders within a partial hospital program. He has published over 50 scholarly articles and given over 200 presentations and workshops, nationally and internationally, on evidence-based treatments for anxiety disorders and depression.

Education & Training

  • 1989 BA, University of Iceland
  • 1992 MA in Clinical Psychology, Lakehead University
  • 1998 PhD in Clinical Psychology, Queen’s University
  • 1996-1997 Psychology Intern, McLean Hospital/Harvard Medical School
  • 1997-1998 Post-Doctoral Fellow, Cognitive Behavior Therapy, OCD Institute, McLean Hospital/Harvard Medical School
Board Certifications:
  • 1999-2004 Licensed Psychologist, Kansas
  • 2003 Licensed Psychologist, Texas State Board of Examiners of Psychologists
  • 2007 Licensed Psychologist, Iceland
  • 2008 Specialty Certification in Clinical Psychology granted by the Surgeon General of Iceland, Reykjavik, Iceland
  • 2010 Licensed Psychologist, Board of Registration of Psychologists, Commonwealth of Massachusetts
  • 2010 Clinical Psychology, American Board of Professional Psychology (ABPP)


Office Address: Belmont campus - Recreation Building, Room 142