
Hierarch Members of IOTA
IOTA’s conferences are hosted by academic institutions in cooperation with the local church authorities. Our Inaugural Conference in Iasi, Romania (January 2019) was hosted by the Metropolitanate of Moldova and Bukovina; our Second Mega-Conference in Volos, Greece (January 2023) was hosted by the Volos Academy for Theological Studies in cooperation with the Archdiocese of Demetrias, Greece. Our next Mega-Conference in Poti, Republic of Georgia (January 2027) will be hosted by New Georgian University in cooperation with the Archdiocese of Poti.
His All Holiness Bartholomew I, Archbishop of Constantinople and Ecumenical Patriarch, Ecumenical Patriarchate
His Holiness Daniil (Nikolov), Patriarch of All Bulgaria and Metropolitan of Sofia, Bulgarian Orthodox Church
His Eminence Alexander (Golitzin), Archbishop of Dallas, the South, and the Bulgarian Diocese, Orthodox Church in America
His Eminence Ambrosios (Zographos), Metropolitan of Korea and Exarch of Japan, Church of Greece
His Grace Anthony (Vrame), Bishop of Synada, Greek Orthodox Archdiocese of America
His Eminence Efraim (Stenakis) of Hydra and Spetses, Church of Greece
His Grace Emilian (Nică), Bishop of Crișan, Vicar of the Archdiocese of Arad, Romanian Orthodox Church
His Grace Gerasim (Eliel), Bishop of Fort Worth, Orthodox Church in America
His Eminence Gregorios (Stergiou) of Cameroon, Patriarchate of Alexandria
His Eminence Gregorios (Papathomas) of Peristeri, Church of Greece
His Eminence Grigoli (Berbichashvili), Metropolitan of Poti and Khobi, Georgian Apostolic Orthodox Church
His Eminence Ignatius (Georgakopoulos), Metropolitan of Demetrias, Church of Greece
His Grace Irinej (Dobrijevic), Bishop of Eastern America, Serbian Orthodox Church
His Eminence Iosif (Bosch) of Buenos Aires, Ecumenical Patriarchate
His Eminence Job (Getcha), Metropolitan of Pisidia, Ecumenical Patriarchate
His Eminence Kallistos (Ware, 1934-2022), Metropolitan of Diokleia, Ecumenical Patriarchate
His Eminence Khajag Barsamian, representative of the Armenian Apostolic Church to the Holy See
His Grace Anba Kyrillos, Coptic Orthodox Diocese of Los Angeles
His Eminence Kyrillos (Katerelos), Metropolitan of Krinis, Ecumenical Patriarchate
His Grace Maxim (Vasiljević), Bishop of Western America, Serbian Orthodox Church
His Eminence Nikitas (Loulias), Metropolitan of Thyateira and Great Britain, Ecumenical Patriarchate
His Eminence Mor Polycarpus Aydin, Metropolitan of the Archdiocese of the Netherlands for the Syriac Orthodox Church
His Grace Anba Suriel, Coptic Orthodox Church
His Eminence Teofan (Savu), Archbishop of Iasi and Metropolitan of Moldova and Bucovina, Romanian Orthodox Church

Affiliate Hierarch Members of IOTA
His Holiness Pope Leo XIV
His Eminence Cardinal Claudio Gugerotti, Prefect of the Dicastery for Eastern Churches
His Eminence Cardinal Kurt Koch, Prefect of the Dicastery for Promoting Christian Unity
The Rt. Reverend Peter Eaton, Bishop – Episcopal Dioceses of Southeast Florida
Lord Archbishop Rowan Williams, Church of England (retired)