He started at CLT (Compagnie libanaise de Télévision ex-Tele Liban) in 1959 with the rise of the Lebanese television as a studio supervisor at the Lebanese national TV, he was at the same time producer and presenter of a variety show on the same channel.
[4] Selected productions: El Khoury directed the Arabic version of the Hunchback of Notre Dame by Victor Hugo"الاخرس" (number of episodes:13) along with the TV series "عليا وعصام" (number of episodes:13) which he also produced.
El Khoury has also directed and produced "حنين في الليل" a Lebanese TV series that won two awards for Best Director and Best Acting.
He has also directed a very big majority of the episodes of the famous Lebanese TV series "ابو ملحم".
After El Khoury's death on July 28, 2013,[9] the position of chairman was very unclear, until now no permanent chairman has succeeded El Khoury; from 2014 to 2017 Talal Makdessi was a temporary head chief of the TV until a committee from the new Council of Ministers appointed a new board[10] but before that, Makdessi was dismissed after judicial decision on May 26, 2017[11] El Khoury was married to television presenter Charlotte Wazen.