#10. Stephen Ross: $7.4 Billion
Stephen Ross has a $7.4 billion fortune locked in the deepest bank faults. In February 2008, he decided to invest in an NFL team. He set his sights on the Miami Dolphin franchise and acquired 50 percent of the team for a whopping $550 million. A year later in January 20, 2009, he decided to take majority ownership of the team and thus, paid a further $450 million for an additional 45% stake. Stephen accumulated his riches by founding, The Related Companies, a global real estate development firm. The billionaire is prominent for developing the Time Warner Center and his Hudson Yards Redevelopment Project.