Sahil Khanna, M.B.B.S., is a gastroenterologist and internist at Mayo Clinic in Rochester, Minnesota, where he heads the Comprehensive Gastroenterology Interest Group within the Division of Gastroenterology and Hepatology. Dr. Khanna also works as associate professor of medicine at the Mayo Clinic College of Medicine. In his research, he focuses on epidemiology, fecal microbiota transplantation, microbiome research, and emerging therapeutics and outcomes for Clostridium difficile(C. diff.) infection. Dr. Khanna currently serves as a fellow for the American College of Gastroenterology and has been honored with numerous awards, including the Miles and Shirley Fiterman Award, the Mayo Brothers Distinguished Fellowship Award, and the Most Distinguished Resident Physician Award from the American Association of Physicians of Indian Origin.