Mueller Associates has announced several recent personnel promotions.

Mueller Associates has announced the following promotions: Robert A. Marino, P.E., has been named senior vice president; Kenneth H. Rock, P.E., has been promoted to vice president, chief electrical engineer; John W. Morris, P.E., has been promoted to vice president, chief mechanical engineer; and Yancy D. Unger, P.E., L.C., has been named project manager.