|
Thomas J. Usher, Chairman of the Board of Marathon Oil Corporation and the former Chairman of the Board of United States Steel Corporation. Mr. Usher, 64, has been a Director of PPG Industries since 1996. He was elected non-executive Chairman of Marathon Oil Corporation in 1995. Marathon is a global oil and natural gas production and refining company based in Houston, Texas. Mr. Usher had been Chairman of the Board, Chief Executive Officer and President of United States Steel Corporation, a major producer of metal products, since 2001. He retired from the positions of Chief Executive Officer and President on September 30, 2004. He subsequently retired as Chairman of the Board of Directors on February 1, 2006. He served as Chairman of the Board and Chief Executive Officer of USX Corporation from 1995 until 2001. He is also a director of The PNC Financial Services Group, Inc. and H. J. Heinz Company. | 