G. Terry Harris Sr.
G. Terry Harris Sr. is Director of Technical Service & Ductilcrete Slab Systems at Chryso, Inc. (formerly W.R. Grace and GCP Applied Technologies). He brings 45 years of experience in the concrete industry, with a background spanning ready mix, precast, masonry, and chemical admixtures.
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Terry is an active member of numerous industry organizations, including ACI, ASTM, NRMCA, NPCA, ACPA, the RCC Council, and the ACI Concrete Innovation Council. He currently serves as Chair of ASTM C09.23.03 (Chemical Admixtures) and ACI 212 (Chemical Admixtures), and is a member of many additional committees across ACI, ASTM, NPCA, and NRMCA. His past leadership roles include Chair of ACI 305 (Hot Weather Concreting), the ACI Certification Committee, and the ACI Fellows Nominating Committee.
Terry holds a degree in Concrete Technology from Daytona State College and is recognized as a Fellow of the American Concrete Institute (ACI).
