Cyler Hayes has joined the CTLGroup as Senior Chemist. Hayes comes to the organization from Dayton Superior Corp. of Bethlehem, Pa., where he had worked since 1992. While there, he developed numerous formulations for concrete construction products, including sealers, cure & seals, form release agents, curing compounds, grouts, and textured coatings.

Hayes in an active member of ASTM C09.22, Materials Applied to Concrete Surfaces, as well as the Society for Protective Coatings. CTLGroup, based in Skokie, Ill., is a world leader in testing, research and development, and consulting on cementitious materials, concrete, masonry, construction products, and structural systems used in the construction industry.