While still a student at the Ecole Spéciale d’Architecture de Paris, he ran an interior design studio on the city’s outskirts and sold furniture to clients in Saudi Arabia. Ever since his graduation in 2004, he has grown his wealth and he is one of the wealthiest people in Lebanon as of March 2013, along with his elder brother Ayman Hariri. His other brothers Bahaa and Saad, as well as his sister Hind and mother Nazek, are all also billionaires.