21 Richest Billionaires In The World
14. David Koch
Rating: $42.1 Billion
The younger of the Koch brothers became co-owner in 1983 and helped oversee massive expansion.
He's also a noted Libertarian and philanthropist.
Rating: $42.1 Billion
The younger of the Koch brothers became co-owner in 1983 and helped oversee massive expansion.
He's also a noted Libertarian and philanthropist.