Rental Service — David Thompson has joined the Scottsdale, Ariz.-based rental company as vice president of its Western Region. Previously, he was a general manager for Atlas Copco Construction and Mining Sales Operations in Brazil for the Stockholm, Sweden-based company.
Horner & Shifrin — Len Kirberg, president of the St. Louis-based engineering, architectural and planning services firm, has been promoted to chairman and chief executive officer. Additionally, William Clarke, executive vice president, has been promoted to president.
Durham, N.C. — Michael Barros has been named director for the city’s Department of Housing and Community Development. Previously, he was the director of community development in Helena, Mont.
SiteScape — William Sokol has joined the Wilmington, N.C.-based provider of Web-based workflow and collaboration programs as vice president, government business development. Previously, he was senior director for strategy and alliances for Sykes Enterprises, a company based in Tampa, Fla., that provides customer contact management services.