Sarah Niklaus of Hugo, and Alan Gengenbach of Forest, Wis., announce their engagement.
Parents are Lowell and LaVerne Niklaus, Detroit Lakes, and Burle and Lou Gengenbach, Roseville.
Sarah graduated from Minnesota State University Moorhead with a bachelor's degree in accounting. She is a CPA with HLB Tautges Redpath in White Bear Lake.
Alan graduated from the University of Minnesota-Twin Cities with a bachelor's degree in chemistry and received his Ph.D. from the University of Illinois at Urbana-Champaign. He is a chemistry professor at the University of Wisconsin-Eau Claire.
The wedding will be Sept. 3 at Holy Rosary Church in Detroit Lakes.