#6 Ira Rennert $6 billion
Ira Rennert graduated from Brooklyn College, and then earned his MBA from New York University. From there, he began a career on Wall Street in the mid-1950s. In the 80s Mr. Rennert launched his own company, Renco Group, and has since grown the business into one of the largest holdings company in the United States. His personal home in Sagaponack, New York is one of the largest in the United States as well, and has 29 bedrooms and 39 bathrooms.
#5 Charles Schwab $6.2 billion
Charles Schwab is an American businessman and investor. He is the founder of the Charles Schwab Corporation, a discount brokerage firm with approximately 8 million clients in 300 different offices in the U. S., one in Puerto Rico, and another in London. He has five children.