Participating Experts:
- P. Dr. Hyacinthe Destivelle o.p., Pontifical Council for Promoting Christian Unity
- Pierre Gisel, Professor Emeritus of the Faculty of Protestant Theology of the University of Lausanne
- Viorel Ionita, former Study Secretary of the Conference of European Churches, Geneva / Bucuresti, former Professor of Church History at the Faculty of Orthodox Theology at Bucuresti
- Fr. Hervé Legrand o.p., Professor Emeritus of the "Institut Catholique de Paris"
- Metropolitan Maximos of Selyvria, Ecumenical Patriarchate
- Paul Meyendorff, Prof. Emeritus at Saint Vladimir’s Orthodox Theological Seminary
- Archimandrite Amphilochios Miltos, researcher on synodality in his doctoral thesis, published in "Editions du Cerf": "Collégialité et synodalité. Vers une compréhension commune entre catholiques et orthodoxes
- Fr. Thomas Pott OSB, a monk of the Monastery of Chevetogne (Belgium), Professor of Liturgical Theology at Sant Anselmo University and at the Pontifical Oriental Institute in Rome
- Goran Sekulovski, Professor of Patrologie at the "Institut de théologie orthodoxe Saint-Serge" at Paris; lecturer in Church History at the "Institut Catholique de Paris"
- Andrey Shishkov, Russian Orthodox Church, Researcher in Theology and Politology
- Prof. Michel Stavrou, Professor of Dogmatics at the "Institut de théologie orthodoxe Saint-Serge" at Paris