Metropolite of Arkalochori, Kastelli and Viannos Andreas Nanakis is a Professor of Ecclesiastical History in the Faculty of Theology of Aristotle University of Thessaloniki. He studied Paedagogics in Heraklion, History and Theology in the Aristotle University.. His main publications are: 1. «The vacancy of the Ecumenical Throne and the election of Meletios Metaxakis (1918-1919)», dissertation, Supplement 5, I tome of the Yearbook of the Faculty of Theology of Thessaloniki, Thessaloniki 1991, 2. The episcopal issue (1880-1882) and the Church of Crete, Katerini 1992, 3. Church – Genos – Hellenism, Katerini 1993, 4. The metropolitan issue and the ecclesiastical organization of Crete (1897-1900), Katerini 1995, 5. Ecclesiastics of Crete (19th-20th century), Thessaloniki 1997, 6. The Church of Crete during the revolution of 1897-98: from the ethnarcic to the national consciousness, Thessaloniki 1998, 7. Ecumenical Patriarchate’s Newer Historic, vol. I, Thessaloniki 2000, 8. Church “Ethnarchousa” and national: through the Bevy of the Presbyters and the Holy Association of the Church of Greece (1870-1922), Thessaloniki 2002, 9. Ecumenical Patriarchate’s Newer Historic, vol. II, Thessaloniki 2004, 10 Church and Eleutherios Venizelos, Thessaloniki 2008, 11. Asia Minor: Refugees’ interminable, Thessaloniki 2012, 12. The Ecumenical Patriarchate in the late Ottoman Empire: from Genos and Ethnarchy to Nation, Thessaloniki 2013. He published articles in journals and edited volumes, while he makes announcements at conferences. He was the first Principal and he is since 2006 the President of the Administrative Committee of the Highest Ecclesiastical Academy of Crete.