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 William R. KlesseChairman of the Board and CEO of Valero Energy Corporation |  W.E. “Bill” Bradfordretired Chairman of Halliburton Company |
 Jerry D. Choateretired Chairman of the Board and CEO of Allstate Corporation |  Ruben M. Escobedoowner of Ruben Escobedo & Company, CPAs in San Antonio |
 Irl F. EngelhardtChairman of Peabody Energy Corporation and Deputy Chairman of The Federal Reserve Bank of St. Louis |  Dr. Susan Kaufman PurcellDirector of the Center for Hemispheric Policy at the University of Miami |
 Bob MarbutChairman and CEO of SecTecGLOBAL, Inc. and Argyle Communications, Inc. |  Don Nicklesformer U.S. Senator (R-Okla.), and Chairman of the Board and CEO of The Nickles Group |
 Robert A. Profuseka partner in the New York office of internationally recognized law firm Jones Day, and a board member at CTS Corp., a NYSE-listed electronic components manufacturer |  Dr. Ronald K. CalgaardChairman of the Board and CEO of Austin, Calvert & Flavin, Inc. in San Antonio |
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