2) Stelios Haji-Ioannou (Rank: 728; Net worth: $2.5 billion)
Stelios Haji-Ioannou is the founder of budget airline EasyJet. This 47 year old billionaire sold 200,000 shares in the company in 2013 due to dispute with management regarding the purchase of new aircraft. He still owns more than 25 percent of the company along with his sister. His EasyGroup has diversified into transportation, hotels and pizza.