Fr. Stel was born in Constantinople (Istanbul), Turkey, and is Full Professor and Chair of Liturgy, Sacramental Theology, and Languages at the Byzantine Catholic Seminary in Pittsburgh, PA. He is the author of several books, including Economia and Eschatology: Liturgical Mystagogy in the Byzantine Prothesis Rite (Boston: Holy Cross Orthodox Press, 2013), and the only English translation of the Archieratikon of the Ecumenical Patriarchate (forthcoming from Cherubim Press, spring 2026). He has published scores of journal articles in the field of liturgiology and has spoken at several national and international conferences. He serves as the co-editor of The Wheel Journal, and is a member of the Greek Orthodox Archdiocese of America’s Synodal Committee on Liturgical Texts, serving as both its consultant and stylist/editor. Fluent in several languages, he is a married protopresbyter of the Greek Orthodox Metropolis of Pittsburgh. In his spare time, Fr. Stel likes to read, walk, and play the bouzouki.