Cemex competitors

C. Howard Nye has served as Chairman of the Board since 2014, as President of Martin Marietta since 2006 and as Chief Executive Officer and a Director since 2010. Mr. Nye previously served as Chief Operating Officer from 2006 to 2009. Prior to joining Martin Marietta in 2006, Mr. Nye served as Executive Vice President, Hanson Aggregates North America, a producer of aggregates for the construction industry. Mr. Nye received a bachelor's degree with honors from Duke University and a law degree from Wake Forest University. In addition to his educational, professional and executive roles, Mr. Nye has been a gubernatorial appointee to the North Carolina Mining Commission and is a past Chairman and Executive Committee member of the National Stone, Sand & Gravel Association (NSSGA). He currently serves as Vice Chairman of the American Road Transportation Builders Association (ARTBA). Mr. Nye also serves as a director of the United States Chamber of Commerce, the world's largest business organization representing the interests of more than 3 million businesses. He also is an independent director of CREE, Inc. (NASDAQ: CREE), a multinational manufacturer of semiconductor light-emitting diode materials and devices where he serves on both the Audit as well as the Nominating and Corporate Governance Committees. Mr. Nye has further served on numerous other state, community and charitable organizations including the Duke University Alumni Association Board, Wake Forest University School of Law Alumni Board, and as Vice Chairman of UNC Rex Healthcare, Inc.'s Board of Trustees.

Wilford Clyde is a Chairman/CEO at Clyde Companies Inc and Chairman at Salt Lake Chamber of Commerce. He has worked as Chairman/President at Clyde Companies Inc. Wilford works or has worked as Accountant at Geneva Rock Products.

Hans Karlander is a President/CEO at Thomas Concrete Group AB.

Bill Zarkalis is the President & CEO of Titan America, a leading environmentally and socially progressive heavy building materials company, operating across the eastern United States, with products (such as Cement, Aggregates, Ready-Mix Concrete, Block, Fly-Ash), technology, and solutions that protect human life and personal property, improve the quality of life, generate economic prosperity and connect communities.