Mr. Rutkowski has been a principal at Winyah Advisors LLC, a management consulting company, since 2010. He previously served in various capacities with Nucor Corporation ("Nucor"), the nation's largest steel producer, for 21 years, most recently as Executive Vice President of Business Development from 1998 to 2010. Mr. Rutkowski previously served as Vice President of Nucor from 1993 to 1998, General Manager of Nucor Steel, Hertford Country, North Carolina from August 1998 to November 1998, General Manager of Nucor Steel, Darlington, South Carolina from 1992 to 1998, Manager of Melting and Casting of Nucor Steel, Plymouth, Utah from 1991 to 1998, and Manager of Nucor Cold Finish, Norfolk, Nebraska from 1989 to 1991. Mr. Rutkowski also serves as a director of Cenergy S.A. (CENER.BR) and Viohalco S.A. (VIO.BR).