Key Management

Rob Duke

Acting President & CEO, Preferred Materials, Inc.

Rob Duke is currently serving as President & CEO of Preferred Materials, Inc. and is the President of CRH Americas Materials South Division. The South Division employs more than 5,500 people across the southeastern United States, with sales of $2.3 billion. He leads a portfolio of CRH Americas Materials companies that produce and market asphalt, concrete, and construction aggregates, as well as provide material transportation and paving services.

Duke joined CRH in 2008 as President of Preferred Materials, Inc., a newly formed company following the acquisition of 32 concrete plants in Florida. In 2010, his role expanded at to include the construction, asphalt, aggregate and rail distribution businesses in Florida. Duke’s area of responsibility increased in 2012 to include businesses in seven southern states. He was promoted to his current position in 2016.

Prior to CRH, Duke held progressive positions with Rinker Materials (now part of Cemex), as well as positions with Merck & Company and BOC Gases (now part of the Linde Group), where he held assignments in the U.S. and Europe.

Duke holds a Bachelor of Science in chemical engineering and a master’s degree in business administration, both from Carnegie Mellon University in Pittsburgh, PA. In 2015, he completed the Global Strategic Leadership Program at the Wharton School of the University of PA. He served on the Board of Directors for the National Ready-Mixed Concrete Association (NRMCA) from 2014 – 2017, and has held various volunteer leadership roles with the Boy Scouts of America – Greater Tampa Bay Region.