Mardi Horowitz, M.D. is Distinguished Professor of Psychiatry at the University of California, San Francisco. He has been president of the San Francisco Psychoanalytic Institute, the San Francisco Center for Psychoanalysis, and the Society for Psychotherapy Research. He has directed the NIMH Center for the Study of Neuroses and the Program on Conscious and Unconscious Mental Processes of the John D. and Catherine T. MacArthur Foundation. He is a founding member of the International Society for Traumatic Stress Studies and the Society to Explore Psychotherapy Integration.