Ryan Richard Ruff

Ryan Richard Ruff

Associate Professor

New York University


Ryan Ruff is a professor of epidemiology at the New York University College of Dentistry and an associated professor at the NYU School of Global Public Health. He is also director of the Biostatistics Core, chair of the Master of Science program in Clinical Research, and director of the Oral Health Epidemiology and Analytics Lab (OHEAL). His research interests include oral health and child development, specifically cognitive and psychosocial functioning, and oral health and intermittent fasting. Dr. Ruff is currently the PI of studies funded by the NIH and PCORI to explore the effectiveness of non-surgical interventions for dental caries and the use of machine learning and multilevel structural equation models to predict responsiveness to preventive therapy.


  • Epidemiology
  • Applied biostatistics
  • Oral health
  • Education


  • PhD in Research, Statistics, & Evaluation

    University of Virginia

  • MPH in Epidemiology

    Harvard University

  • MPhil in Education Policy

    Cambridge University

  • BAMT in Education

    University of Virginia



Associate Professor

New York University

May 2019 – Present New York, NY

Assistant Professor

New York University

Feb 2014 – Apr 2019 New York, NY

Director, Research & Evaluation Unit

New York City Department of Health

Oct 2011 – Jan 2014 New York, NY

Director of Research & Evaluation

New York City Department of Education

Jun 2010 – Sep 2011 New York, NY