Representative Shelton is a Pediatrician from Fort Worth, Texas. He earned his BS Degree in Biology from Baylor University and his MD from Texas A&M University, College of Medicine. Representative Shelton has also served as director of the Pediatric Infectious Diseases Program at Cook Children's Medical Center. He and his wife, Mary Ann, have been married for more than 25 years and have four children. Representative Shelton has served in the Texas House of Representatives since 2009.