Affholder — Bruce Frost has joined the Chesterfield, Mo.-based trenchless pipe provider as president. Previously, he was executive vice president and chief executive officer for Chicago-based McClier Corp., a design-build firm.
Woodard & Curran — Anthony Catalano has joined the Dedham, Mass.-based consulting and operations firm as vice president. Previously, he was an associate and project manager for White Plains, N.Y.-based Malcolm Pirnie, an environmental engineering firm.
CDM — Joseph Kowalczyk has been promoted to vice president of the Cambridge, Mass.-based consulting, engineering and operations firm. Previously, he served as senior project manager for the firm’s design-build facility improvement projects.
Urban Engineers — Michael Radbill has joined the Philadelphia-based engineering firm as vice president. Previously, he was senior consultant at Philadelphia-based Trauner Consulting Services, a construction consulting firm.