A native of Gering, Nebraska, Roudebush entered the Air Force in 1975 after receiving a Bachelor of Medicine degree from the University of Nebraska at Lincoln, and a Doctor of Medicine degree from the University of Nebraska College of Medicine. He completed residency training in family practice at the Wright-Patterson Air Force Medical Center, Ohio, in 1978, and aerospace medicine at Brooks Air Force Base, Texas, in 1984.
A native of Gering, Nebraska, Roudebush joined the Air Force in 1975 after obtaining his medical degrees from the University of Nebraska at Lincoln and the University of Nebraska College of Medicine. He completed his residency training in family practice at Wright-Patterson Air Force Medical Center, Ohio, and aerospace medicine at Brooks Air Force Base, Texas.