John L. Pietrzak, 52 Mr. Pietrzak has served as a member of our board of directors since July 2007. Previously, Mr. Pietrzak served as a director of CBOT since 2006 and from 1993 to 1995. He also served as a director of The Clearing Corporation (formerly Board of Trade Clearing Corp.) from 2001 to 2004. Mr. Pietrzak has served as Managing Partner of Longwood Partners, a private equity firm, since 2002 and as General Partner of Sparta Group, a proprietary trading group, since 1997.
