board of directors

From left to right:
Dr. Stephen R. Lewis, Jr., Kenneth E. Stinson, Jr., Daniel P. Neary, Thomas F. Madison, Kaj den Daas, Ambassador Clark T. Randt, Jr., Mogens C. Bay, Glen A. Barton, Walter Scott, Jr.

Mogens C. Bay
Chairman and
Chief Executive Officer
Valmont Industries, Inc.
Director Since 1993

Thomas F. Madison
Lead Director
President
MLM Partners
Director Since 1987

Glen A. Barton
Retired Chairman and
Chief Executive Officer
Caterpillar, Inc.
Director Since 2004

Kaj den Daas
Retired Executive
Vice President
Philips Lighting, B.V.
of the Netherlands
and Chairman of its North
American Lighting Operations
Director Since 2004
Dr. Stephen R. Lewis, Jr.
Chairman
RiverSource Funds
Director Since 2002

Daniel P. Neary
Chairman and
Chief Executive Officer
Mutual of Omaha
Director Since 2005

Ambassador Clark T. Randt, Jr.
Former U.S. Ambassador to
the People’s Republic of China
Director Since 2009

Walter Scott, Jr.
Chairman
Level 3 Communications, Inc.
Director Since 1981

Kenneth E. Stinson
Chairman
Peter Kiewit Sons’, Inc.
Director Since 1996
Audit Committee
Walter Scott, Jr., Chairman
Kaj den Daas
Daniel P. Neary

Human Resources Committee
Kenneth E. Stinson, Chairman
Dr. Stephen R. Lewis, Jr.
Thomas F. Madison
Daniel P. Neary

Governance and
Nominating Committee
Dr. Stephen R. Lewis, Jr., Chairman
Thomas F. Madison
Glen A. Barton

International Committee
Glen A. Barton, Chairman
Kaj den Daas
Ambassador Clark T. Randt, Jr.
Mogens C. Bay