ÂÜÀòÂÒÂ×

David B. Burritt

Director at Lockheed Martin

President and Chief Executive Officer of United States Steel Corporation (U.S. Steel) since May 2017. Mr. Burritt was also named to U.S. Steel’s board of directors at that time. Mr. Burritt previously served as President and Chief Operating Officer of U.S. Steel from February 2017 to May 2017; Chief Financial Officer from September 2013 to May 2017; and Executive Vice President from September 2013 to February 2017. Prior to joining U.S. Steel, Mr. Burritt served as Chief Financial Officer of Caterpillar Inc. until his retirement in 2010, after more than 32 years with the company.