A.Y. McDonald Manufacturing Co., Dubuque, Iowa, announces the recent election of Michael B. McDonald to the position of president and chief operating officer. McDonald succeeds L.J. (Roy) Sherman, who will remain with the company as chief executive officer. The company is a major manufacturer of products for water works, high pressure gas valves for utilities, water pumps, plumbing and industrial valves. The company, founded in 1856, is privately owned.