Thomas R. Hefty served as the Chairman, Chief Executive Officer and President at Cobalt Corporation from 1998 to December 1, 2002. Mr. Hefty was Of Counsel to the law firm Reinhart Boerner Van Deuren S.C., Milwaukee, WI. He served as the President of AMSG from 1986 to 1998. He served as Chairman of the Board and Chief Executive Officer of AMSG from 1991 to 1998. Mr. Hefty served as the Chairman of the Board at BCBSUW since 1988 and President since 1986. He serves as a Director at Artisan Funds, Inc. and American Medical Security Group, Inc. He has been Director of various funds in the Artisan Funds complex since March 27, 1995. Mr. Hefty is retired Adjunct Faculty, Department of Business and Economics, Ripon College.