Robert Duke

Robert F. Duke

Position, Building Materials at Preferred Materials Inc

4636 Scarborough Drive, Lutz, Florida, United States
HQ Phone:
(813) 973-2888

General Information


President of South Division  - Oldcastle Glass Inc

General Manager - Sales, Marketing and Distribution  - Rinker Materials Corporation

Senior Financial Analyst, Europe  - Merck & Co. , Inc.


BS  - Chemical Engineering , Carnegie Mellon University

MBA  - Carnegie Mellon University


Board Member  - Florida Concrete & Products Association Inc

General Sales Manager  - Florida Quarries

Board Member  - National Ready Mixed Concrete Association

Director, Strategy and Development  - Rinker Materials Corporation

Process Engineer  - BOC Gases

Recent News  

Rob Duke
Rob Duke is the President of Oldcastle Materials - Southeast Division, a building materials business employing more than 1,900 people across the southeastern U.S. Rob leads a family of Oldcastle companies engaged in the production and sale of asphalt, ready-mixed concrete, masonry block, aggregates, and paving services. Rob joined Oldcastle in 2008 as President of Preferred Materials, Inc., a newly formed company following Oldcastle's acquisition of 32 concrete plants in Florida. In 2010, Rob's role expanded at Oldcastle to include the construction, asphalt, and aggregate businesses in Florida. He was promoted to his current position in 2012. Prior to Oldcastle, Rob 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. Rob earned a BS in Chemical Engineering and an MBA, both from Carnegie Mellon University in Pittsburgh, Pennsylvania.

Read More

Robert F. Duke
President Rob Duke is President of Preferred Materials, Inc. He holds an MBA with Honors and a BS in Chemical Engineering, both from Carnegie Mellon University in Pittsburgh, PA. Rob started his career as a process engineer with BOC Gases (now part of The Linde Group) where he held assignments in the U.S. and Europe. Following BOC, Rob worked for Merck & Company, as part of the corporate finance group covering the European pharmaceutical business. He entered the building materials industry as Director of Strategy & Development for Rinker Materials Corporation (now Cemex) in West Palm Beach, FL. At Rinker, Rob worked with senior management in the evaluation and due diligence of several acquisitions. He then progressed to General Manager - Sales, Marketing, and Distribution for the Florida Quarries Group where sales and operating income grew to an all-time record. In 2008, Rob joined Preferred Materials, Inc., shortly after its formation, as the company's President.

Read More

"Before the housing bubble burst, it was hard to keep up with demand," said Rob Duke, Tampa division president of cement and building materials distributor Preferred Materials, which has cut its Florida staff by half since the recession began.
"The market has been very challenging for us," Duke said.

Read More

Browse ZoomInfo’s Directories