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PTSD: National Center for PTSD


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Ilan Harpaz-Rotem, PhD, ABPP

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Ilan Harpaz-Rotem, PhD, ABPP

Ilan Harpaz-Rotem, PhD, ABPP

Research Psychologist

Co-Director VA Advanced Fellowship Program in Mental Illness Research and Treatment

Clinical Neurosciences Division

See staff directory for contact information.

Academic Appointment

  • Associate Professor of Psychiatry Yale University School of Medicine


  • B.A. Tel Aviv University Double Major (Psychology and Film) 1995
  • M.A. The Graduate Faculty of Political and Social Science, The New School for Social Research, NYC (Experimental Psychology) 1998
  • Ph.D. The Graduate Faculty of Political and Social Science, The New School for Social Research, NYC (Clinical Psychology) 2002
  • Postdoctoral Fellowship: Yale University School of Medicine, Department of Psychiatry 2002-2004

Expertise and Interests

  • Mental health service research
  • PTSD exposure therapy
  • Neurobiology of PTSD

Membership in Professional Societies

  • APA Division 56 (trauma)
  • Biological Psychiatry
  • Society for Psychotherapy Research (SPR)
  • Society of Research in Psychopathology (SRP)

Awards and Honors

  • Israeli Defense Forces Field Operation Medal

Selected Publications

Homan, P., Levy, I., Krystal, J., Pietrzak, R., Harpaz-Rotem, I.*, Schiller, D.* (2019). Neural computation of threat in the aftermath of combat trauma. Nature Neuroscience, 22:470-476. *Equal Contribution

Cook, J., Simiola, V., Hoff, R., Schnurr, P., & Harpaz-Rotem, I. (2019). A National Investigation of the Effects of Adoption of Two Evidence-Based Psychotherapies for PTSD on Patient Outcomes Measured at VA Residential Program Level. Psychiatric Services, 70, 553-560.

Watkins, L., Sipple, L., Pietrzak, R., Hoff, R. & Harpaz-Rotem, I. (2018). Clinically Significant Change in Posttraumatic Stress Disorder Symptoms is Associated with Lower Levels of Aggression After Residential Treatment Discharge. Journal of Traumatic Stress,31, 265-272.

Smith, N., Tsai, J., Pietrzak, R., Cook, J., Hoff, R. & Harpaz-Rotem, I. (2017). Differential Predictive Value of PTSD Symptom Clusters for Mental Health Care Among Iraq and Afghanistan Veterans Following PTSD Diagnosis. Psychiatric Research, 256, 32-39.

Pietrzak, R. Averill, L., Chadi, A, Krystal, J, Levy, I. & Harpaz-Rotem, I. (2015). Amygdala-hippocampal volume and the phenotypic heterogeneity of posttraumatic stress disorder: A cross-sectional study. JAMA Psychiatry, 72, 396-397.

Members of the press interested in scheduling an interview please see the contact for the media page.

PTSD Information Voice Mail: (802) 296-6300
Also see: VA Mental Health