International Securities Exchange, Inc. - Biography of Jason Lehman


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Jason Lehman

Mr. Lehman has been a director of the ISE since July 2004. He is Head of Global Volatility Arbitrage at Citadel Investment Group, L.L.C. and currently heads the Global Options business for Citadel. Mr. Lehman joined Citadel in 1996 as a trader in the Japanese Convertible Bond Trading Group. Mr. Lehman holds a B.S. in Economics from the Wharton School of the University of Pennsylvania.