
Kallistos Ware (born Timothy Richard Ware) is an English bishop and theologian of the Eastern Orthodox Church. Since 1982, he has held the titular bishopric of Diokleia in Phrygia (Greek: Διόκλεια Φρυγίας), later made a titular metropolitan bishopric in 2007, under the Ecumenical Patriarchate of Constantinople. He is one of the best-known contemporary Eastern Orthodox hierarchs and theologians. From 1966 to 2001, he was Spalding Lecturer of Eastern Orthodox Studies at the University of Oxford.