Dr William H Joyce

Dr. Joyce is the retired former Chairman of the Board and Chief Executive Officer of Nalco Company, a leading provider of integrated water treatment and process improvement services, chemicals and equipment programs for industrial and institutional applications. He served in those roles at Nalco from November 2003 to December 30, 2007. From May 2001 to October 2003, Dr. Joyce was Chairman and Chief Executive Officer of Hercules, Incorporated, a global manufacturer of chemical specialties. Dr. Joyce is a director of El Paso Corporation, a natural gas company.