جامعة بيت لحم
In the years 1977-1980 Marcuzzo studied Dogmatic theology at the Pontifical Lateran University and theology of spirituality at the Teresianum in Rome. After obtaining a doctorate Marcuzzo became a lecturer at the Major Seminary in Beit Jala, being for a time its rector. He also lectured Patrology and Arabic Christian literature at the Bethlehem University.