The Pershing Square Professor of Global Health in the Blavatnik Institute's Department of Global Health and Social Medicine at Harvard Medical School. He is an adjunct professor at the Public Health Foundation of India, honorary professor at the London School of Hygiene & Tropical Medicine, and is a co-founder of Sangath, an Indian NGO which won the MacArthur Foundation’s International Prize for Creative and Effective Institutions in 2008 and the WHO Public Health Champion of India award in 2016. He is a co-chair of the Lancet Commission on Reimagining India’s Health System.