Dr. David Diener began his formal post-secondary education at Wheaton College where he graduated Summa Cum Laude with an undergraduate degree in Philosophy and Ancient Languages. After putting his philosophical training to work by building custom cabinets and doing high-end finish carpentry for an Amish company, he moved with his wife to Bogotá, Colombia, where they served as missionaries for three years at a Christian international school. He then attended graduate school at Indiana University where he earned a M.A. in Philosophy, a M.S. in History and Philosophy of Education, and a dual Ph.D. in Philosophy and Philosophy of Education. He has taught at The Stony Brook School on Long Island, served as Head of Upper Schools at Covenant Classical School in Fort Worth, TX, and currently is the Head of School at Grace Academy in Georgetown, TX. He also teaches philosophy courses for Taylor University as an Adjunct Professor. The Dieners have four wonderful children and are passionate about classical Christian education and the impact it can have on the church, our society, and the world.