The CU-Boulder Leeds School of Business will host the third annual MBA Net Impact Case Competition on April 6. The event brings together MBA students from across the nation to address business sustainability and social responsibility issues. Participating schools include CU-Boulder, Northwestern, University of North Carolina, UCLA, Vanderbilt, University of Denver, University of Minnesota, Yale, Washington University and Case Western Reserve. Team presentations will be held at 3:30 p.m. The competition is free and open to the public.