Ryan Richard Ruff, PhD, MPH, is an epidemiologist and education researcher interested in school health and child development. He is currently an associate professor in the Department of Epidemiology & Health Promotion at the New York University College of Dentistry and director of the Biostatistics Core, as well as an associate professor at the NYU School of Global Public Health. He is a principal investigator (PI) of the CariedAway school-based oral health research network, the contact PI of the Pragmatic Research to Implement Sustainable Medicine in Schools (PRISMS) project, and director of the Center for Research and Analysis in School Health (CRASH Lab). He is a fellow of the American College of Epidemiology.