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John R. Walter has served as our non-executive Chairman of the Board since May 2004. Since December 1997, Mr. Walter has been the Chairman and Chief Executive Officer of Ashlin Management Company, a private investment firm. Mr. Walter served as President and Chief Operating Officer of AT&T Corporation from October 1996 until his retirement in July 1997, and from 1989 to 1996, he served as Chairman, President and Chief Executive Officer of R.R. Donnelley & Sons Company. Mr. Walter serves on the board of directors of Manpower, Inc., SNP Corporation Ltd. and VascoData Security International. He is also a trustee of Northwestern University and a director of Evanston Northwestern Healthcare and the Steppenwolf Theatre. He holds a bachelor's degree from Miami University of Ohio. | 