22/12/1962: Joined the Latin Patriarchate Minor Lower Seminary
27/06/1970: Ordained Priest by Patriarch Alberto Gori at the Dormition Abbey in Jerusalem
27/08/1970: Vicar, Our Lady of the Annunciation Parish in Beit Jala and Assistant at the Seminary
1970-1972: Patriarchal Master of Ceremonies
1972-1973: Vicar, Our Lady of Carmel Parish, Jabal Hashimi (Amman)
26/09/1973: Joined the Novitiate Year with the Sacred Heart Fathers of Betharram
22/09/1974: First Vows, Sacred Heart Fathers of Betharram
1974-1976: Licentiate in Moral Theology, Alphonsianum University in Rome
1976-1980: Professor, Moral Theology in French and Latin at the Latin Patriarchate Seminary
1978-1980: Professor, Medical Ethics
1980-1981: Doctoral Studies in Moral Theology, Alphonsianum University, Rome
1981-1984: Fidei Donum Priest in Kuwait, Pastoral Care for the Arabic-speaking Catholic Parish (Latin, Assyrian, Chaldean, Copt, Armenian), and the French-speaking Parish
1985-1986: Pastoral Work related to pilgrimages in Rome
1986-1989: Established St. Ilarion Parish in Milan
1989-1992: Served in the Opera Romana Pellegrinaggi in Rome
1990-2004: Knight Commander, Equestrian Order of the Holy Sepulchre of Jerusalem
1992-2008: Local attaché of the Apostolic Delegation for Social Affairs and Director of the Secretariat of Solidarity for Catholic Schools and Institutions in Jerusalem
2008–present: Secretary-General of the Assembly of Catholic Ordinaries of the Holy Land (ACOHL) and Conference of the Latin Bishops in the Arab Regions (CELRA).
1999-2009: Superior of the Sacred Heart Fathers of Betharram community in Bethlehem
2002-2005: Professor, Moral Theology, Studium Theologicum Salesianum
2003-2009: Provincial Councilor, Sacred Heart Fathers of Betharram
2009-2011: Regional Bursar, Sacred Heart Fathers of Betharram
25/12/2012: Archpriest, Armenian Catholic Church
2011–2017: Regional Vicar for the Holy Land, Sacred Heart Fathers of Betharram
2009–present: Patriarchal Master of Ceremonies
2013–present: Professor, Moral Theology at the Franciscan Studium Theologicum Jerosolymitanum