Mr. Walker is a graduate of Virginia Polytechnical Institute and received his MBA from Carnegie-Mellon University. He joins the Nucor board with twenty-five years of industry experience. Prior to his appointment as chief executive officer of GBC in 2007, Mr. Walker served as chief executive officer and president of The Boler Company and Weirton Steel Corporation and as president of flat-rolled products at Kaiser Aluminum Corporation. Mr. Walker ... serves on the board of directors of Delphi Corporation and UAL Corporation, the parent company of United Airlines.