David Diener joined the Alcuin Fellowship in 2012. He is an Assistant Professor of Education at Hillsdale College. Previously he spent fifteen years in K-12 private education, eleven of those in administration and eight as headmaster of classical Christian schools. He serves on the Board of Directors for the Society for Classical Learning and the Board of Academic Advisors for the Classic Learning Test. He is the author of Plato: The Great Philosopher-Educator and has published numerous articles on Plato, Kierkegaard, and various topics in philosophy of education. He also serves as the series editor for Classical Academic Press’ series Giants in the History of Education and is an associate editor for the journal Principia: a Journal of Classical Education. He holds a BA in Philosophy and Ancient Languages from Wheaton College as well as an MA in Philosophy, an MS in History and Philosophy of Education, and a dual PhD in Philosophy and Philosophy of Education from Indiana University.