Ashwin Vasan, MD, PhD, is a primary care physician, epidemiologist, and public health expert dedicated to improving physical and mental health, social welfare, and public policy for marginalized communities. Early in his career, he worked with the nonprofit Partners in Health and the World Health Organization, focusing on combating the spread of HIV/AIDS in the U.S., Rwanda, Lesotho and Uganda. In 2021, Dr. Vasan was appointed commissioner of the New York City Department of Health and Me...