Director since 2008

Board committees:

audit, executive, finance and risk management, safety (chair)

Subject expertise:

CEO/senior officer; environmental and safety; finance and accounting; governance/board; marketing; strategic planning; transportation

Career highlights:

Mr. Lockhart served as chairman of the board, president, and chief executive officer of Armstrong World Industries Inc. and its predecessor, Armstrong Holdings Inc., a leading global producer of flooring products and ceiling systems, from 2000 until his retirement in February 2010. He previously served as chairman and chief executive officer of General Signal Corporation, a diversified manufacturer, from September 1995 until it was acquired in 1998.