Mark C. Rohr
President & Chief Executive Officer

Mark C. Rohr was elected President and Chief Executive Officer of our company effective October 1, 2002. Mr. Rohr served as President and Chief Operating Officer of our company from January 1, 2000 through September 30, 2002. Previously, Mr. Rohr served as Executive Vice President—Operations of our company from March 22, 1999 through December 31, 1999. Before joining our company, Mr. Rohr served as Senior Vice President, Specialty Chemicals of Occidental Chemical Corporation (chemical manufacturer with interests in basic chemicals, vinyls, petrochemicals and specialty products and subsidiary of Occidental Petroleum Corporation). > Download biography