Kellie L. Mathis, M.D., is a colon and rectal surgeon at Mayo Clinic specializing in advanced surgical care for complex colorectal conditions. She treats colon and rectal cancer, inflammatory bowel disease, and diverticular disease using open, laparoscopic, and robotic techniques to support safer procedures and faster recovery. Dr. Mathis is also a leader in colorectal surgery research and education, serving as Program Director for the Colon and Rectal Surgery Fellowship at Mayo Clinic.