Source: Portland Cement Association

Robert Engberg has stepped down from the PCA Board of Directors after serving on the Board for 32 years. His resignation comes with his retirement from Capitol Aggregates, the construction materials unit of H.B. Zachry Company, where he served as vice chairman. Engberg joined the company in 1961. Engberg was elected to the PCA Board in 1977 and was Chairman of the Board from 1990-1992. He also served on the executive, government affairs, finance, membership development, and nominating committees.