Dr. Duke graduated from Mississippi State University in 1995. He is a member of the American, Alabama, Southeast Alabama and Greater Dothan Veterinary Medical Associations. He has served as president to the Southeast and Greater Dothan VMA. Dr. Duke has been a member of the Association of Avian Veterinarians since 1997. He currently practices companion, avian, and exotic animal medicine and surgery. He is also a member of the Association of Exotic Mammal Veterinarians (AEMV) and the Association of Reptilian and Amphibian Veterinarians (ARAV). The Duke family currently have a cat-Malawi. Dr. Duke and Elizabeth are the proud parents of John William, Abigail, Caleb, Elijah, Joshua, Gideon, Susanna and Luke. They both are members of Mount Gilead Baptist Church.