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Executive Team
Executive Team | Board of Directors
Biography PhotoDavid L. Lamp
Executive Chairman

Biography PhotoMark A. Pytosh
Chief Executive Officer and President

Biography PhotoTracy D. Jackson
Executive Vice President and Chief Financial Officer

Biography PhotoMelissa M. Buhrig
Executive Vice President, General Counsel and Secretary

Biography PhotoJanice T. DeVelasco
Vice President, Environmental, Health, Safety & Security

Biography PhotoMatthew W. Bley
Chief Accounting Officer and Corporate Controller