An educator with over 30 years experience, Dr. Mattingly serves as the Assistant Superintendent for Curriculum and Instruction in Denton Independent School District in Denton, TX. His area of study and expertise includes the supervision and evaluation of principals. He also has interest in developing district leadership. He has served as adjunct for University of Georgia and University of North Texas. He has degrees from University of Texas at Austin, University of North Texas, and University of Georgia.