Board of Directors

Nathan I. Partain
Chairman of the Board
Nathan Partain

Chicago, Illinois • President and Chief Investment Officer, Duff & Phelps Investment Management Co. • President, Chief Executive Officer and Chief Investment Officer, DNP Select Income Fund, Inc. (closed-end utility fund)

Charles S. MacFarlane
President and Chief Executive Officer
Charles MacFarlane

Fergus Falls, Minnesota  • Former President and Chief Executive Officer, Otter Tail Power Company

Karen M. Bohn
Audit and Corporate Governance Committees
Karen Bohn

Edina, Minnesota • President, Galeo Group, LLC (management consulting firm)

John D. Erickson John Erickson

Fergus Falls, Minnesota • Past President and Chief Executive Officer, OtterTail Corporation

Steven L. Fritze
Audit and Corporate Governance Committees
Steven Fritze

Eagan, Minnesota • Retired Chief Financial Officer, Ecolab Incorporated (health and energy- related technologies and services) • Board Member, Minnesota Public Radio, American Public Media Group, Minnesota Philanthropy Partners, and Wenger Corporation.

Kathryn O. Johnson
Compensation and Corporate Governance Committees
Kathryn Johnson

Hill City, South Dakota • Principal, Johnson Environmental Concepts (specializes in applying geochemistry to resource development and remediation) • Board Member, South Dakota Board of Regents.

Timothy O'Keefe
Compensation and Corporate Governance Committees
Timothy O'Keefe

Grand Forks, North Dakota • retired Executive Vice President, UND Alumni Association, and Chief Executive Officer, UND Foundation (nonprofit) • former business owner

Joyce Nelson Schuette
Audit and Compensation Committees
Joyce Nelson Schuette

Walker, Minnesota • Retired Managing Director and Investment Banker, Piper Jaffray & Co. (financial services)

James B. Stake
Audit and Compensation Committees
James Stake

Edina, Minnesota • Retired Executive Vice President, Enterprise Services, 3M Company (diversified manufacturing)