Conference "The Eastern Catholic Churches: Can They Speak with One Voice?"

On December 7-8, 2022

On December 7-8, 2022 at 4 p.m. Kyiv time (UTC/GMT +2 hours), the Institute of Ecumenical Studies of the Ukrainian Catholic University invites you to the International Academic Conference on the topic: "The Eastern Catholic Churches: Can They Speak with One Voice?"

Venue: Conference Hall of the UCU Faculty of Philosophy and Theology, str. Khutorivka 35a, with the possibility of online joining via ZOOM.

Working languages: Ukrainian and English with simultaneous translation.

The work will focus on exploring what the various Eastern Catholic Churches have in common that allows them to speak with one voice, and what are the main obstacles that make this task difficult? Our goal was to gather speakers with a solid academic background, representatives of various Eastern Catholic Churches and Liturgical Traditions.

On the first day, December 7, we will consider this question from a historical perspective.

Moderator: Acting Director of IES Rev. Dr Roman Fihas


  • Welcome Word from Head of the UGCC His Beatitude Sviatoslav (Shevchuk)
  • Welcome Word from the Head of General Director of the Charitable Fund l’Oeuvre d’Orient Rev. Pascal Gollnisch
  • Welcome Word from Dr. Adriana Bara, National Canadian Director, CNEWA
  • Welcome Word from IES President Rev. Prof. Iwan Dacko


  • Rev. Prof. Yury P. Avvakumov, professor of the History of Theology at the Catholic University of Notre Dame, USA.
  • Prof. Edward J. Alam, Associate Professor at Notre Dame University, Louaize, Lebanon.
  • Prof. Ines Angeli Murzaku, Professor of Religion at Seton Hall University in New Jersey, Director of Catholic Studies Program and the Founding Chair of the Department of Catholic Studies at Seton Hall University.
  • Prof. Oleh Turiy, Director of the Institute of Church History and Vice Rector for External Affairs at the Ukrainian Catholic University.
  • Prof. Basilius J. Groen, President of the Society of Oriental Liturgy, coordinator of the Austrian section of the Working Group of Catholic Liturgy Docents, board member of the Pro Oriente Foundation, board member of the Bredius Foundation for Byzantine Studies, member of the Coordinating Committee of the international Catholic-Orthodox theological working group St. Irenaeus and member of the Board of Trustees of the Afro-Asian Institute in Graz.

The next day, December 8, the work will take place sequentially in two sections:

13.00-15.00 Liturgical section,

  • Rev. Prof. Vasyl Rudeyko "Latinization and Delatinization in Eastern Catholic Churches"
  • Dea. Prof. Daniel Galadza "Liturgical Expression of Union and Communion: The Commemoration of the Hierarchy in Byzantine Rite Eastern Catholic Churches"
  • Rev. Raphael Strontsitsky "Armenian voice in Polyphony of the Eastern Catholic Churches"

15.30-18.00 Ecclesiological-Canonical section.

Presentation by Prof. Peter de Mey and Prof. Jaroslav Z. Skira of two books "Metropolitan Maxim Hermaniuk, Vatican II and the Ukrainian Greco-Catholic Church" and "The Catholic Church and its Orthodox Sister Churches Twenty-Five Years after Balamand"

  • Rev. Prof. Gabriel Hachem "Eastern Catholic Churches: The stakes of an ingenious identity and ecumenical role"
  • Rev. Prof. Edward Faruggia "Eastern Catholic Churches – a common mission? One voice? One code? One heart!"
  • Rev. Prof. Iwan DackoThe Role of the Eastern Catholic Churches in the contemporary theological dialogue”
  • Rev. Prof. Sunny Thomas Kokkaravalayil, “Unity and Catholicity of the Church Require Speaking in Unison and in “Plurison” in the Catholic Church”
  • Rev. Dr Alexandr Lashchuk "Canonical Structures for Inter-Church Collaboration"

This conference is the first in a series of three international academic conferences dedicated to the general theme "Eastern Catholic Churches: the Mission of Unity and Catholicity".

To join the conference online, please register using the following link

The conference is organized by the UCU Institute of Ecumenical Studies with the support of CNEWA Catholic Near East Welfare Association and French charity supporting Eastern Churches L’Œuvre d’Orient.