Kent Kresa has been one of our directors since June 2004. Mr. Kresa is Chairman Emeritus of Northrop Grumman Corporation, a defense company and from September 1990 until October 2003, he was its Chairman. He also served as Chief Executive Officer of Northrop Grumman Corporation from January 1990 until March 2003 and as its President from 1987 until September 2001. Mr. Kresa is also Chairman of the Board of Trustees of the California Institute of Technology (“Caltech”) and has been a member of the Caltech Board of Trustees since 1994. Mr. Kresa is on the boards of Fluor Corporation, a provider of engineering, procurement, construction and maintenance services and several non-profit organizations and universities. He is also on the Advisory Board of Trust Company of the West, an asset management firm. As a graduate of M.I.T., he received a B.S. in 1959, an M.S. in 1961, and an E.A.A. in 1966, all in aeronautics and astronautics.