Prince Al-Waleed bin Talal, a member of the Saudi Royal Family, is worth about $19.4 billion. He is considered to be the 19th richest person in the world. He earned a lot of his wealth from the stock market. In the 1990s, he invested about $550 million in Citigroup. He now owns about $1 billion worth of Citigroup. Later Talal also made investments in Apple, AOL, MCI, Motorola, and News Corp. He also has large stakes in Four Seasons and the Plaza Hotel in New York.