Saad-eddine Rafic Al-Hariri (Arabic: سعد الدين رفيق الحريري‎; born 18 April 1970) is a Lebanese-Saudi billionaire who served as the Prime Minister of Lebanon from 2009 until 2011. He is the second son of Rafic Hariri, the former Lebanese Prime Minister who was assassinated in 2005. Hariri was prime minister from 9 November 2009 until the collapse of his cabinet on 12 January 2011 and has also been the leader of the Movement of the Future party since 2005.