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Mr. Zelnak is the Chairman and Chief Executive Officer of Martin Marietta Materials, Inc. He joined Martin Marietta Corporation in 1981 and prior to assuming his current position in 1993, has been the President of Martin Marietta Corporation's Materials Group and of Martin Marietta's Aggregates Division. Mr. Zelnak received a bachelors degree from Georgia Institute of Technology and masters degrees in Administrative Science and Business Administration from the University of Alabama System. He has served as Chairman of the North Carolina Citizens for Business and Industry, and is the past Chairman of the North Carolina Community College Foundation. He serves on the Advisory Boards of North Carolina State University and Georgia Institute of Technology. | 