Dr. Mitchell is an Associate Professor of Genetics and Complex Diseases at the Department of Genetics and Complex Diseases, Harvard T. H. Chan School of Public Health, Boston, MA. Dr. Mitchell’ research focuses on nutritional, genetic and molecular mechanisms of adaptive stress resistance. His primary interest is in dietary restriction, best known for its ability to extend lifespan in organisms as diverse as roundworms, fruit flies, and yeast, but also with the proven ability to improve metabolic fitness and stress resistance.