Shackelford graduated from the West Virginia University School of Medicine in 1976. Shackelford works in Saint Clairsville, OH and specializes in Critical Care Medicine, General Surgery, Transplant Surgery and Vascular Surgery. Shackelford is affiliated with Ohio Valley Medical Center and Wheeling Hospital.

Shadowen works in Bowling Green, KY and specializes in Endocrinology, Diabetes & Metabolism. Shadowen is affiliated with The Medical Center At Bowling Green and TriStar Greenview Regional Hospital.

Sibbitt works in Helena, MT and specializes in Vascular & Interventional Radiology. Sibbitt is affiliated with Fort Harrison VA Medical Center and Saint James Healthcare.

Sims works in Hobart, OK and specializes in General Surgery.

Hosford-Skapof works in Elkton, MD and 1 other location and specializes in Medical Oncology. Hosford-Skapof is affiliated with Christiana Hospital, Jennersville Regional Hospital and Union Hospital Of Cecil County.