David Mortenson has been named chairman and chair of the board of directors at Minneapolis-based construction firm M.A. Mortenson Company.
Dan Johnson has been promoted to president, while Tom Wacker has been promoted to chief operating officer.
Mortenson represents the third generation of family leadership at the 60-year-old company. He succeeds his father, M.A. “Mort” Mortenson Jr., who served as the company’s chairman since 1976.
