Susan T. Mayne, Ph.D., is director of the Center for Food Safety and Applied Nutrition (CFSAN) at the Food and Drug Administration (FDA). In this position, Dr. Mayne leads the center’s development and implementation of programs and policies related to the composition, quality, safety, and labeling of foods, food and color additives, and cosmetics. An internationally recognized public health leader and scientist, she comes to the FDA from Yale University, where she was the C.-E.A. Winslow Professor of Epidemiology. Her distinguished career there includes two leadership positions: chair of the Department of Chronic Disease Epidemiology and associate director of the Yale Cancer Center. Dr. Mayne has conducted extensive research into the complex role of food, nutrition, and other health behaviors as determinants of chronic disease risk. She is author or coauthor of more than 200 scientific publications. She recently completed two consecutive terms on the Food and Nutrition Board of the National Academy of Sciences, and a five-year term on the Board of Scientific Counselors for the U.S. National Cancer Institute. She also served on a nutrition advisory committee for the FDA. She has worked closely with other government agencies, including the U.S. Department of Agriculture, on developing practical applications of research. Dr. Mayne received a B.A. in chemistry from the University of Colorado and she earned a Ph.D. in nutritional sciences, with minors in biochemistry and toxicology, from Cornell University.