[1] In 2000, he succeeded his uncle Raymond Eddé as leader of the Lebanese National Bloc party ("Al-Amid" meaning 'The Dean' in Arabic).
Carlos has been managing, since his return to Lebanon in 2000, the farm owned by his family for more than 150 years, producing wheat, vegetables, and grapes for wine production.
In 2004 he participated actively in the 14 March Alliance and was among those who formulated the strategy to unify the opposition, leading to the departure of the Syrians.
He presented a complete electoral law to reform the inefficient election system based on the single district.
He also put forward a complete economic plan at the time of the election aiming to reinvigorate the Lebanese economy.