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 played a pivotal role from 1975 to 1985, serving as chairman of the Maronite Church synod and head of the Assembly of Catholic Patriarchs and Bishops in Lebanon. This period also saw Charbel Makhlouf's formal recognition as a saint by the Universal Church in a notable ceremony at Saint Peter's Basilica in Rome on October 9, 1977.