Saad-eddine Rafic Al-Hariri (Arabic: سعد الدين رفيق الحريري; born 17 April 1970) is a Lebanese politician and 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. He is seen as a "weak figurehead" of the March 14 movement. Following the collapse of his government in 2011, Hariri moved overseas, residing in France and Saudi Arabia. On 8 August 2014 he returned to Lebanon unannounced, for the first time in 3 years.
Saad Hariri was born in Riyadh, Saudi Arabia on 18 April 1970, and is the son of Rafic Hariri and his first wife Nida Bustani, an Iraqi. In addition to his native Arabic, Hariri speaks English and French. He graduated in 1992 from the McDonough School of Business at Georgetown University with a major in Business Administration. He then returned to Saudi Arabia where he managed part of his father's business in Riyadh until his father's assassination in 2005. When his father was killed in February 2005 he inherited some USD $4.1 billion, earning him and each of his siblings a place on the 2006 Forbes list of richest people in the world.