L.A. COUNTY

M. Richard Wadley has been named president and chief executive of Alta-Dena Certified Dairy Inc., which was bought by Zausner Foods Inc. on May 5. The dairy products company is headquartered in City of Industry and employs about 700 people. Wadley joined Zausner Foods last year as senior vice president. Working from the firm’s New York office, he handled the purchase of Alta-Dena, which he said will be managed and operated locally.