Background
Micallef was born in Birkirkara on 17 December 1928 to George and Marianna Micallef.
Micallef was born in Birkirkara on 17 December 1928 to George and Marianna Micallef.
On 9 May 1954, Micallef was ordained priest. After finishing his studies in Rome, he returned to Malta, where he taught moral theology. Once in Malta, he served as the Superior of the Monastery, Master of Novices, and finally as the Provincial Superior of Maltese Discalced Carmelite Province.
From 1979 to 1981, he was rector of the Carmelite International College in Rome.
On 5 November 1981, Pope John Paul II appointed Micallef as the third Apostolic Vicar of Kuwait. He was consecrated by the Pope himself on the feast of the Epiphany 1982.
On 15 January of the same year, he was officially installed as the Apostolic Vicar of Kuwait and Titular Bishop of Tinis in Proconsulari. Micallef remained in Kuwait City during the 1990 Iraqi invasion, one of the few Westerners to do southern
Bishop Micallef retired on 14 July 2005 and was succeeded by Bishop Camillo Ballin.
On 20 October, Bishop Micallef bid farewell to the Vicariate at a special ceremony in the Cathedral of the Holy Family in Kuwait City.