Jill Reedy, Ph.D., M.P.H., R.D., is program director and nutritionist in the Epidemiology and Genomics Research Program at the National Cancer Institute. She focuses on different methodological approaches in dietary pattern analysis, dietary surveillance, obesity policy, new technologies for dietary assessment, and measures of the food environment. She leads the Dietary Patterns Methods Project, a collaboration with investigators from three large U.S. cohorts, which aims to systematically examine index-based scoring systems using standardized methods with mortality outcomes. Dr. Reedy partners with colleagues through the National Collaborative on Childhood Obesity Research (NCCOR) to develop resources for researchers including the Measures Registry, User Guides, and the Catalogue of Surveillance Systems. She also leads the NIH Obesity Policy Research Grantees Network. Dr. Reedy was a member of the Data Analysis Team for the 2015-2020 Dietary Guidelines Advisory Committee, served as a member of the Technical Expert Collaborative for USDA’s Dietary Patterns Systematic Review Project, and worked with colleagues at the USDA on the development, validation, and application of the Healthy Eating Index, a diet quality measure that aligns with federal dietary guidance. She earned a Ph.D. in nutrition at the University of North Carolina at Chapel Hill, M.P.H. at the University of California, Berkeley, and B.A. in foods and nutrition at Goshen College. She is a registered dietitian.