He completed his General Surgery Residency there in June of 2000, and after completing a fellowship in Surgical Critical Care, he entered the Air Force. During his three years on active duty, Dr. Davis was the Medical Director for the Center for Sustainment of Trauma and Readiness Skills in Cincinnati, Ohio. Dr. Davis completed his colon and rectal fellowship at the Lahey Clinic, in Boston Massachusetts, where he was also a Clinical Instructor of Surgery at Tufts University.