Dr. Sion Kim Harris is an Associate Professor of Pediatrics at Harvard Medical School, and Director of the Boston Children’s Hospital Center for Adolescent Substance Abuse Research (CeASAR), an international research center that strives to be a leading source of innovative, effective strategies to prevent, identify, and treat substance-related problems in children, adolescents, and young adults. Since its inception in 1999, CeASAR has pioneered work in adolescent substance use screening and brief intervention strategies, including the development of the CRAFFT screen which has become the internationally recommended standard for adolescent substance use screening. CeASAR has conducted research in partnership with investigators worldwide including the Czech Republic, Spain, Zambia, Turkey, Brazil, Colombia. CeASAR studies also include evaluation of the effects of adolescent substance use on brain development. Dr. Harris has published nearly 70 original scientific publications, and has received numerous awards, including the Young Professional Award from the Maternal and Child Health Section of the American Public Health Association, and Best Research Award from the Association for Medical Education and Research in Substance Abuse. She is an advisory member of the National Adolescent and Young Adult Health Resource Center and the MCHB Adolescent and Young Adult Health Research Network.