Meet Chicago's billionaires
Here's a look at the Chicagoans who appeared on Forbes magazine's 2013 list (Go to Forbes list >> ) of the world's billionaires. Forbes editors select list members by their estimating their stakes in privately held companies, real estate, art, yachts and planes. See today's story on the global list: MORE>>.
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No. 316: Ken Griffin, 44, Chicago, hedge funds, $4.1B
Kenneth Griffin, president and CEO of Citadel Investment Group. (Paul Elledge/Handout)