Roger L. Headrick is the Managing General Partner of HMCH Ventures, a private investment company, Wayzata, MN and the President and Chief Executive Officer of ProtaTek International, Inc., a biotechnical animal vaccine company, St. Paul, MN. Mr. Headrick is the former President and Chief Executive Officer of the Minnesota Vikings Football Club, Inc., Eden Prairie, MN. Mr. Headrick has been a director of the Company, or a predecessor company, since 1988.