Born in 1965 in the Galilean village of Al Rameh, Theodosius (Atallah) Hanna attended local primary and secondary schools before entering the Clerical Patriarchate School in Jerusalem. In 1983 he matriculated at Thessalonica University in Greece in the Faculty of Theology. After graduating with honors, he went on to complete a master's degree and doctorate. In 1991 he was ordained as a deacon and priest in the Church of the Holy Sepulchre in Jerusalem. The late Patriarch Diodoros invested him as Archimandrite, and there after he was appointed Head of the Arabic Department for the Orthodox Patriarchate in Jerusalem in which he acted as a spokesman for the Orthodox Church in Jerusalem and the Holy Land. Archbishop Attallah Hanna is a member of the Composition Committee, he raised the topic of Christian religious education in Arab schools in Israel and participated in the establishment and development of curricula for Palestinian schools. An active and an effective member of the international ecumenical movement both at local and the regional level who enhanced dialogue in bringing various churches together to work towards Christian unification. Also an active member of Christian Islamic Discussion Forum in Palestine and has also held membership in many other organizations. Theodosius is a well-known author, and his articles have been periodically published in various newspapers as well as in local and international magazines. He had received numerous honors and awards from many Arab and Islamic countries as well as from the city of Barcelona and others.