Certified by the American Board of Surgery and Surgical Critical Care, Dr. Jennings practices general surgery and surgical oncology as a partner with Chattanooga Surgical Oncology & Associates. He received his Doctor of Medicine at Emory University. He completed a residency in surgery and a fellowship in Liver Transplantation and Biliary Surgery in 1989 at Emory University Hospital in Atlanta. He is currently licensed to practice in both Tennessee and Georgia.