8) HUSSAIN SAJWANI
Net Worth: $3.2 Billion
Source of wealth: Real estate, Self Made
Country of Citizenship: United Arab Emirates
Hussain Sajwani founded residential real estate developer Damac Properties in 2002. Buying land in a then-undeveloped part of town, he managed to sell his first 38-story residential building in less than six months--before starting construction. Damac has teamed up with global luxury brands Versace and Fendi to design apartments, and Donald Trump to develop golf courses. He started out in the food service business, attracting clients such as the U.S. military and construction giant Bechtel.