4. Carlos Slim Helu – 50 billion
He is the CEO of telephone services Telmex and America Movil, the largest cell phone service provider in Latin America

3. Warren Buffett – 60.8 billion
He is the CEO and primary shareholder of Berkshire Hathaway. Even more incredible is the fact he is self-made.To this day, he is known for his frugal habits, despite his massive wealth.
