Angelo Di Berardino is past president and current professor of patrology at the Augustinian Patristic Institute (Augustinianum) in Rome. He is the editor or author of authoritative works on the early church, including Encyclopedia of the Early Church (recently updated and expanded in Italian as Nuovo dizionario patristico e di antichità cristiane) and Patrology: The Eastern Fathers from the Council of Chalcedon to John of Damascus. He also serves as the Italian-language editor for the Ancient Christian Commentary on Scripture.