Mary K. Muth

Director, Food, Nutrition, and Obesity Policy Research


  • PhD, Economics, North Carolina State University
  • MS, Agricultural Economics, Cornell University
  • BS, Agricultural and Managerial Economics, University of California at Davis

Press Inquiries

To request an interview, contact our Media Relations team.
+1 919 541 7340

Mary K. Muth, PhD, is director of RTI's Food, Nutrition, and Obesity Policy Research Program and conducts research studies to analyze the impacts of policies, regulations, and other initiatives affecting food and agriculture. She specializes in analyzes in the areas of nutrition, food security, food waste, food pricing, food labeling, food reformulation, and food safety. She has extensive experience with multiple modes of primary data collection; analyzing food availability, purchase, and consumption data; and developing economic models of the impacts of food policy. She has authored or co-authored over 90 project reports and policy briefs; presented her research at numerous technical conferences and workshops; and published papers in the Journal of Law and Economics, Journal of Agricultural and Resource Economics, Journal of Food Protection, Journal of the Academy of Nutrition and Dietetics, Nutrition Journal, Nutrition Reviews, and other journals. She has testified before Congress, briefed Congressional and Administration staff on study results, served on the National Academies of Science, Engineering, and Medicine (NASEM) committees "Strategies to Reduce Sodium Intake" and "Examination of the Adequacy of Food Resources and SNAP Allotments," and was chair of the NASEM steering committee on “Data and Research to Improve the U.S. Food Availability System and Estimates of Food Loss.” Dr. Muth is also an adjunct associate professor in the Department of Agricultural and Resource Economics at North Carolina State University.