John Santelli, MD, MPH is a Professor of Population and Family Health and Pediatrics.  Dr. Santelli has conducted policy-related research on HIV/STD risk behaviors, trends in teen fertility, programs to prevent STD/HIV/unintended pregnancy, school-based health centers, adolescent clinical preventive services, and research ethics. Dr. Santelli has served as a senior consultant for the Guttmacher Institute, a member of the editorial board of the Journal of Adolescent Health, a member of the Lancet Commission on Adolescent Health and Wellbeing, and a past President of the Society for Adolescent Health and Medicine.  He has been a global leader in ensuring that adolescents have access to medically accurate, comprehensive sexuality education and are appropriately included in health research.  He has been the principal investigator on three NICHD-funded projects on HIV risk among youth, social determinants of health, and linkages between HIV infection and reproductive health with the Rakai Health Sciences Program in Uganda.