François Eid joined the OMM of the Blessed Virgin Mary and received on 28 August 1971 his priestly ordination.
Pope Benedict XVI appointed him bishop of the Eparchy of Cairo for the Maronites on 24 September 2005.
His episcopal ordination was conducted by Maronite Patriarch of Antioch, Nasrallah Boutros Sfeir, on 11 February 2006; his co-consecrators were Roland Aboujaoudé, Auxiliary bishop of Antioch, and Tanios El Khoury, Eparch of Sidon.
On 5 April 2014 Pope Francis appointed him a member of the Congregation for the Causes of Saints.
[2] On 13 April 2015, Pope Francis appointed him Apostolic visitor for the Maronite faithful in Bulgaria, Greece and Romania.