The Board of Directors of MDU Resources Group, Inc. has approved the appointment of Garret Senger as chief utilities officer for the company's electric and natural gas utility business, effective January 6. Senger currently is executive vice president of regulatory affairs, customer service and administration for the utility business. Senger's new role will be effective the same day that Nicole A. Kivisto assumes the role of president of MDU Resources. Senger holds a bachelor's degree in accounting and master's degree in business administration from the University of Mary in Bismarck.

He is a U.S. Army veteran.