Faculty Information

Ryan R. Ruff, MPH, PhD

Associate Professor
Director, MS Program in Clinical Research
Director, Biostatistics Core
Dept. of Epidemiology and Health Promotion
NYU College of Dentistry


Associated Professor
NYU College of Global Public Health

380 Second Avenue, Room 3-09, New York, NY, 10010
Phone: 212-998-9663
E-mail: ryan.ruff@nyu.edu


MPH, Epidemiology, Harvard University
PhD, Research, Statistics, & Evaluation, University of Virginia
MPhil, Education, Cambridge University
BAMT, Education, University of Virginia

Honors / Credentials

  • 2022 Fellow of the American College of Epidemiology 
  • 2021 Sigma Xi Scientific Honor Society
  • Goddard Junior Faculty Fellowship (2020)
  • Delta Omega Honor Society, Delta Beta Chapter (2018)
  • NYU Academy of Distinguished Educators (2017)
  • Member of the New York Academy of Sciences (2015)
  • NYC Department of Health Distinguished Service Award (2012)
  • DuPont Fellowship for Leadership and Policy (2007)

Research Interests / Professional Overview

Dr. Ryan Richard Ruff, PhD, MPH, is an epidemiologist and education researcher interested in school health and child development. He is an associate professor in the department of Epidemiology & Health Promotion at the New York University College of Dentistry and an associated professor at the NYU School of Global Public Health. Dr. Ruff is also the director of the Biostatistics Core and director of the Master of Science program in Clinical Research. He is a Multiple Principal Investigator of the CariedAway school-based oral health research network, and is the contact PI of the Pragmatic Research for Implementing Sustainable Medicine in Schools (PRISMS) project, a phase three translational research study supporting sustainable school-based oral health programs and implementing personalized medicine in schools. He is a fellow of the American College of Epidemiology and a member of the American Statistical Association and the American Educational Research Association.  


Current Funding

As principal investigator

  • C38355GG, New York State Department of Health School-Based Dental Home Program (SBDHP), “CariedAway: A sustainable model for school-based dental programs in New York City” $250,000.
  • R56DE028933: The role of the oral microbiome in disparities in dental caries and responsiveness to caries prevention ($517,296)
  • R01MD011526: Statewide implementation and evaluation of a rural caries prevention program, 2017-2022 ($3,679,913)
  • PCS-1609-36824: Comparative effectiveness of school-based caries prevention for urban children: A cluster randomized pragmatic clinical trial, 2017-2023 ($13,352,000)
  • R03DE025289: Analysis of longitudinal data from a school-based comprehensive caries prevention program, 2016-2018 ($317,000)

Representative Publications

Complete listing available on the NYU Health Sciences Library site.

Search PubMed for articles.

Ruff RR, Barry-Godin T, Niederman R. Effect of silver diamine fluoride on caries arrest and prevention: the CariedAway school-based randomized clinical trial. JAMA Netw Open. 2023;6(2);e2255458. 

Ruff RR, Habib R, Barry-Godin T, Niederman R. School-based caries prevention and the impact on acute and chronic student absenteeism.  J Am Dent Assoc. 2023; S0002-8177(23)00317.

Ruff RR, Monse B, Duijster D, Naliponguit E, Benzian H. School-based strategies to prevent tooth decay in a high-risk child population in the Philippines: Results of a longitudinal cohort study.  Community Dent Oral Epidemiol. 2022;00:1-9. 

Ruff RR, Senthi S, Susser S, Tsutsui A. Oral health, academic performance, and school absenteeism in children and adolescents: A systematic review and meta-analysis. J Am Dent Assoc. 2019;150(2):111-121 

Ruff RR, Zhen C. Estimating the effects of a calorie-based sugar-sweetened beverage tax on weight and obesity in New York City adults using dynamic loss models. Ann. Epidemiol. 2015:25(5):350-357