Camille Zaidan received his ordination to the priesthood on October 23, 1971. On June 6, 2011, he was elected bishop by Synod of Maronite bishops in Antioch. Pope Benedict XVI confirmed on 13 August of the same year his nomination and appointed him titular bishop of Ptolemais in Phoenicia dei Maroniti.
In June 2012, the Synod of Bishops of the Maronite Church elected him Archbishop of Antelias. Pope Benedict XVI confirmed his appointment to the office on 16 June 2012.[2]