John W. Gibson
Chairman and Chief Executive Officer
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Terry K. Spencer
President
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Robert F. Martinovich
Executive Vice President, Chief Financial Officer and Treasurer
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Pierce H. Norton
Executive Vice President and Chief Operating Officer
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Stephen W. Lake
Senior Vice President, General Counsel and Assistant Secretary
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Derek S. Reiners
Senior Vice President and Chief Accounting Officer
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Robert S. Mareburger
Senior Vice President, Corporate Planning and Development
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Wesley J. Christensen
Senior Vice President - Operations
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David E. Roth
Senior Vice President, Administrative Services
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Dan Harrison
Vice President, Investor Relations and Public Affairs
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