MDU Resources Group Inc. named Jason L. Vollmer to the position of vice president and chief accounting officer, in addition to his role as treasurer, effective March 19. He replaces Nathan Ring, who is resigning effective March 18.
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MDU Resources Names New Treasurer
MDU Resources Group Inc. named Jason L. Vollmer to the position of treasurer and director of cash and risk management, effective Nov. 29, to replace Douglass A. Mahowald, who will retire after nearly 33 years with the company.
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