Elissa R. Weitzman is associate professor of pediatrics at Harvard Medical School, and Adolescent/Young Adult (AYA) medicine at Boston Children’s Hospital; and faculty member in the Computational Health Informatics Program (CHIP) at Boston Children’s Hospital. A social-behavioral scientist, Dr. Weitzman focuses on understanding and ameliorating adolescent and young adult health. Grounded in a bio-psychosocial model of disease and a developmental/life course perspective, her research is focused on advancing the understanding of the epidemiology of pediatric onset chronic disease and co-occurring risks for psychosocial and behavioral health problems, including substance use.