He served for third term as a representative for the Greek Orthodox Christians from Koura District (North Governorate, Lebanon) in the Lebanese parliament 2018-2022, respectively in 1992, 2000 and 2018 general elections.

Saadeh was born in Amioun (Koura District, North Governorate, Lebanon), in November 25, 1949, to a Greek Orthodox Christian, yet very secular family.

After graduating from the American University of Beirut, Saadeh joined the Lebanese cargo airline company TMA in 1974 as Director of the Planning Department.

He left the company in 1976 in order to pursue his master's degree at Washington University in St. Louis in the United States.

Following his postgraduate studies, Saadeh joined Midmac Group - one of the largest contracting companies in the Middle East - in 1979.