Dr. Dillon attended North Carolina State University for undergraduate study and graduated from Oklahoma State University College of Veterinary Medicine in 1972. He has a son and daughter, both of whom are married: Chris and Becky Dillon who have a son, Blake, and Addie and Tim Anderson who have two sons, Luke and Tate. In 2013 Sandy Englebert became his wife and together they have 4 children and 5 grandchildren. Dr. Dillon enjoys biking, fishing, traveling, and playing with his grandchildren. His latest project is restoring a 1964 Pontiac Lemans.