9. Fahd Hariri

•  Net Worth: $1.35 B                                                                      
•  Source of Wealth: construction, investments
•  Citizen: Lebanon
•  Age: 32

Fahd Hariri is the son of late Arab billionaire Rafik Hairi. He inherited wealth and money after his father was assassinated in a bomb attack. His father Rafik was once Prime Minister of the Arab country Lebanon. Fahad Hariri is also youngest  billionaire from Middle-East and youngest Arab billionaire. His father founed the construction company Saudi Oger which has revenues exceeding in billions of US Dollars.