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Mr. Vipperman has been a director since June 2005. Mr. Vipperman retired in 2002 after more than 40 years with American Electric Power and its subsidiary companies. When he retired Mr. Vipperman was serving as Executive Vice President-Shared Services for American Electric Power Services Corporation. He has also served as Chairman of both the Virginia Center for Energy and Economic Development and the Roanoke Regional Chamber of Commerce on the Advisory Board of Norfolk Southern Corporation and as a Director of the Virginia Coal Council Shenandoah Life Insurance Company and Roanoke Electric Steel. Mr. Vipperman earned a bachelor's degree in Electrical Engineering from Virginia Polytechnic Institute and a master's degree in Industrial Management from Massachusetts Institute of Technology. | 