بيت جالا
Giacinto-Boulos Marcuzzo studied philosophy and theology at the Major Patriarchal Seminary in Beit Jala. He was ordained a priest on June 22, 1969 in the Church of All Nations. Then he worked as a chaplain in Beit Jala in the West Bank, in Ramallah and in Malakal in southern Sudan, including as director of the minor seminary. Marcuzzo was also teacher at the Minor Seminary of the Latin Patriarchate in Beit Jala.