He is President of HealthBegins, a social enterprise that provides healthcare professionals with tools and support to improve care and the social factors that make people sick in the first place. He has been a Chief Medical Officer for a large self-insured employer; a lead physician for homeless primary care at the VA Greater Los Angeles Healthcare System; and the first director of social medicine for a network of community health centers in south central Los Angeles. In his 2013 TEDbook, The Upstream Doctors, he introduced a new model of the healthcare workforce that includes “upstreamists” who improve social determinants of health. Dr. Manchanda earned his bachelor’s, medical, and master’s of public health degrees from Tufts University and was the first graduate of UCLA’s combined internal medicine and pediatrics residency.