10 richest people on the planet
6. Charles Koch
Charles Koch is chairman and CEO of Koch Industries. Like his brother, David, Charles owns 42 percent of the private company, which was founded by his father. He's a graduate of MIT. Koch considers publicly traded companies to be 'feeding grounds for lawyers and lawsuits.' He's got a point there.
Did you know?
Koch is a well-known libertarian. His favorite presidents are George Washington, Grover Cleveland, and Calvin Coolidge, or as they're known by historians, 'The Big Three.'