Fr. Jack is Associate Professor of New Testament Exegesis. He holds a Ph.D. degree from the Aristotle University of Thessaloniki, and studied for 3 years as Visiting Fellow at the Eberhard-Karls-Universität in Tübingen, Germany.
He has been teaching in the Institute of Theology since 2000. Furthermore, he has been visiting Professor in many Orthodox Theological Faculties and Institutes over the world, e.g. University of Athens, Thessaloniki, IOCS (Cambridge) and St. Serge (Paris), University of North Eastern Finland.
His main fields of interest are the Epistles of St Paul and the Johannine Literature. He is the author of one book published in Greece, which has been admitted as a textbook reference in the University of Thessaloniki since 2005, and many researches and studies published in Lebanon, Greece, France, USA, Belgium, Estonia, and Bulgaria.
Archimandrite Jack Khalil is a member of the Biblical Federation in Lebanon, the Hellenic Society of Biblical Studies, the Revision Committee of the van-Dyck–Boustani Bible Arabic Translation. He is also a Central Committee member in the WCC, and he was between 2007-2012 the Eastern Orthodox representative in the WCC Continuation Committee on “Ecumenism in the 21st Century”. He is the Church representative of the Patriarchate of Antioch and All The East in the Committee of the Eastern Orthodox and Oriental Orthodox Churches for the Collaboration with the United Bible Societies.