�� This University of Michigan class is one you wish you took in college Meredith Bruckner, Community News Producer, All About Ann Arbor Published: Tags: Good morning! I’ve been working on a series with current and former University of Michigan students who have taken Dr. Eric Fretz’s Entrepreneurial Creativity class. Fretz, as he’s known on campus, is somewhat of a celebrity in the community. Known for his wit, unusual teaching methods and challenging his students to “do epic s***,” several groups have gone on to establish fully-fledged businesses by the end of the semester. Here are some team projects -- and companies -- I’ve featured so far.