He has over twenty years of clinical experience as a psychotherapist in inpatient, outpatient, and research psychiatric settings. His doctorate from the Columbia University Graduate School of Arts and Sciences was funded by an NIMH T32 Pre-doctoral Fellowship in Mental Health Services Research. He completed a 3-year NIMH T32 Post-doctoral Fellowship in Psychiatric Epidemiology at the Columbia University, School of Public Health and College of Physicians and Surgeons.