Father Christiaan Kappes currently serves the Archeparchy of Pittsburgh as Academic Dean of Ss. Cyril and Methodius Byzantine Catholic Seminary. He received his doctorate in Sacred Liturgy from Sant’ Anselmo, Rome (2012) and defended his Ph.D. in Eastern Orthodox Theology at the University of Thessaloniki, Greece (2018). He has authored numerous peer-reviewed publications, especially the monograph The Epiclesis Debate at the Council of Florence (Notre Dame Press, 2019). Recently, he published a popular, revisionist history demonstrating the ancient use of the term and theory of transubstantiation in patristic literature: The Secret History of Transubstantiation (Patristic Pillars Press 2020).
