Patriarch Khoraish was from 1975 to 1985 chairman of the synod of the Maronite Church and chairman of the Assembly of Catholic Patriarchs and Bishops in Lebanon. During his Patriarchate, the blessed Charbel Makhlouf was declared Saint of the Universal Church in an imposing ceremony at Saint Peter's Basilica in Rome on October 9, 1977.
Patriarch Khoraish occupied prominent roles from 1975 to 1985, encompassing chairmanship of the Maronite Church synod and leadership of the Assembly of Catholic Patriarchs and Bishops in Lebanon. Furthermore, during his patriarchate, Charbel Makhlouf was formally recognized as a saint by the Universal Church in a grand ceremony at Saint Peter's Basilica in Rome on October 9, 1977.