Dr. Will Bulsiewicz, M.D., MSCI is a gastroenterologist, gut health expert, and author of Fiber Fueled and The Fiber Fueled Cookbook, both about plant-based gut health. He completed a bachelor’s degree from Vanderbilt University, a medical degree from Georgetown University, and a master's in clinical investigation from Northwestern University. Dr. B. was also the chief medical resident at Northwestern and the chief gastroenterology fellow at UNC, and received the highest award given by both his residency and fellowship.