Pope Francis named Zaidan the Eparch of Our Lady of Lebanon of Los Angeles on July 10, 2013. He was ordained a bishop on September 28, 2013, by Cardinal Bechara Boutros al-Rahi, O.M.M., the Patriarch of Antioch. Eparch-Emeritus Robert Joseph Shaheen and Archeparch Camille Zaidan of the Maronite Catholic Archeparchy of Antelias in Lebanon were the co-consecrators.

Abdallah Elias Zaidan was born in Kosaybé, Lebanon. He professed perpetual vows as a member of the Congregation of Maronite Lebanese Missionaries on September 26, 1984, and was ordained a priest on July 20, 1986. As a priest Zaidan served as a school administrator and as a pastor of several parishes, including as rector of Our Lady of Mt. Lebanon-St. Peter Cathedral. He speaks Arabic, English, French, and Spanish.

Abdallah Elias Zaidan (Arabic: الياس عبدالله زيدان) born on March 10, 1963, in Kosaybé, Lebanon) is a Maronite Catholic bishop, or eparch, in the United States. He has served as the third eparch of the Eparchy of Our Lady of Lebanon of Los Angeles since 2013.