NRMCA Awards Chryso North America’s G. Terry Harris
Senior Director of Technical Services Honored for His Outstanding Dedication and Years of Contributions to the Concrete Industry
Chryso, a global leader in sustainable construction solutions and part of Saint-Gobain Construction Chemicals, proudly announces that its Senior Director of Technical Services for North America, G. Terry Harris Sr., has been awarded the National Ready Mixed Concrete Association’s (NRMCA) 2025 Richard D. Gaynor Award for his devotion, and significant contributions to their research, engineering, and standards program.
“Terry Harris’ decades of dedication, expertise, and leadership have helped shape the concrete industry as we know it today,” said Chryso North America President Steve Williams. “His unwavering commitment to advancing research, engineering, and industry standards is truly commendable, and we are incredibly proud to have him on our team.”
The NRMCA 2025 Annual Convention, held in March, in Tucson, Ariz., celebrated individuals who have made outstanding contributions to the concrete industry. Terry was awarded the prestigious 2025 Richard D. Gaynor Award. The selection process for this award is led by a committee of past recipients, who carefully review nominees and provide their recommendations based on industry impact and leadership.
With a remarkable career spanning more than 45 years in the concrete industry, Terry has contributed extensively to ready mix concrete, precast, masonry, and chemical admixtures. Today, he leads a crucial team of experts providing technical support for admixture products to Chryso North America customers.
“Terry Harris receiving the Richard D. Gaynor Award is a proud moment for all of us who have worked with him,” said Lauro Rivas, P.E., VP Technical Services – Materials Group, CalPortland Company. “His extensive knowledge and steadfast dedication have significantly impacted the concrete industry, and we are fortunate to have benefited from his contributions. Terry’s recognition is well-deserved, and his work has truly set a benchmark for excellence in the industry.”
“Terry Harris is truly a pillar within the concrete industry. His unparalleled depth of knowledge and expertise make him a highly sought-after resource,” said Katha Redmon, Director, Concrete Products, Graniterock. “What sets Terry apart is his willingness to assist whenever he can. When he provides assistance or advice, it is always accurate and precise, reflecting his commitment to excellence. Working with Terry has been an invaluable experience, and his contributions have significantly advanced our projects and the industry as a whole.”
Terry has demonstrated long-standing leadership in industry associations, such as ACI, ASTM, and NRMCA. He is a Fellow of ACI and a past member of the ACI Board, actively contributing to the ACI Concrete Innovation Council, chairing the Certification Programs Committee, and serving on award selection committees. Additionally, he has played a significant role in the NRMCA Research, Engineering, and Standards (RES) Committee, driving the development of publications, resources, and performance-based specifications. He is also an Advisory Council member of the Concrete Advancement Foundation.
The award is named for Richard D. Gaynor, who served NRMCA for more than 40 years until his retirement in 1997 as the Executive Vice President of the Engineering Division.
In 2024, Terry was also recognized with the NRMCA Shydlowski-Turner Materials Leadership Award, which honors an individual, who as a materials supplier to the ready mixed concrete industry, exemplifies leadership, commitment and support for the industry and the initiatives and activities of the NRMCA.
