 Eventually, he converted to Eastern Orthodoxy, entering into communion with the Old Calendarist movement.In 1986, he became bishop of Aprilia and Latium, under the jurisdiction of Metropolitan Kyprianos Koutsoumpas of Oropos and Fili, leader of the Old Calendarist Orthodox Church of Greece (Holy Synod in Resistance).In 1991 he founded the Orthodox Church in Italy (), aspiring to create a national church in his country.