• John A. Williams has been named vice president of national accounts for Mack Trucks Inc., Allentown, Pa., world headquarters.

  • Lichtenstein Consulting Engineers, Paramus, N.J., has hired David A. Eves as the business development manager of the company's New England division.

  • Houston-based Safety Vision has hired technical writer Bill Kelly to document the company's new RoadRecorder 6000.

  • Simon Pollard has joined the Cranfield University, Bedforshire, England, as professor of waste technology.