Ashwin Vasan

Assistant Professor of Population and Family Health

Assistant Professor of Medicine


Ashwin Vasan is an Assistant Professor in the Department of Population & Family Health at the Mailman School of Public Health and in the Department of Medicine at the College of Physicians & Surgeons. He is also a practicing Internist at NewYork-Presbyterian Hospital/Columbia University Medical Center, and holds a non-clinical appointment as an Associate Physician in the Division of Global Health Equity at the Brigham & Women's Hospital and as an Affiliate of the Program in Global Primary Care & Social Change at Harvard Medical School. His work focuses on the intersection of global health and primary health care, with a particular emphasis on health systems and implementation science. He has more than a decade of experience working on health care delivery, primary health care, and implementation research in low-income settings.

He was a Clinical Advisor at Partners In Health in Rwanda working on primary care quality improvement at rural health centers.Prior to this he worked in Lesotho for PIH on TB and HIV programs, specifically on integrated HIV care and treatment in remote primary care settings. He also spent years at the World Health Organization, first as a Technical Officer in the Department of HIV/AIDS in Geneva under Jim Yong Kim, working on the "3 by 5" Initiative to rapidly scale-up access to antiretroviral therapy for HIV/AIDS, and then as a consultant to the WHO and the Ministry of Health of Uganda to support ART scale up in the rural southeast of the country. He has focused much of his research primary care improvement in rural settings, including critical examination and piloting of the WHO Integrated Management of Adolescent & Adult Illness (IMAI). His methodological expertise involves mixed-methods implementation science, quality and performance improvement studies targeted health workers and clinical systems, as well as plausibility research for large-scale population-based interventions, including the triangulation of facility and population/demographic data to develop powerful patient-level inference on health and primary care. At Mailman, he teaches a seminar in Implementation Science and Global Health, and also is the Co-Lead of the Globalization and Global Health Track within the MPH Core Curriculum. Until recently he was the Deputy Director of the ARCHES (Advancing Research on Comprehensive Health Systems) program at Columbia, which focuses on community health systems development in Ghana and Tanzania.

Ashwin.jpg Ashwin Vasan
Mailman School of Public Health
60 Haven Avenue, B3
New York, New York 10032