Jeffrey I. Gordon, is a biologist and the Dr. Robert J. Glaser Distinguished University Professor and Director of the Center for Genome Sciences and Systems Biology at Washington University, St. Louis.He is internationally known for his research on gastrointestinal development and how gut microbial communities affect normal intestinal function, shape various aspects of human physiology including our nutritional status, and affect predisposition to diseases.He is a member of the National Academy of Sciences, the American Academy of Arts and Sciences and the Institute of Medicine of the National Academies.He won Dickson Prize in Medicine in 2014.