George E. Demacopoulos is Fr. John Meyendorff & Patterson Family Chair of Orthodox Christian Studies at Fordham University. He is the author of four monographs, most recently The Invention of Peter: Apostolic Discourse and Papal Authority in Late Antiquity and Gregory the Great: Ascetic Pastor and First-Man of Rome. With Aristotle Papanikolaou, he co-founded the Orthodox Christian Studies Center at Fordham University. He presently serves as co-editor of the Journal of Orthodox Christian Studies.