His Ph.D research focused on Mutually Unbiased Bases, an area which incorporates topics from linear algebra, group theory and finite geometry. His recent research interests include the connections between poetry and discrete mathematics, and the combinatorics of card games such as Set and Spot It. Dan has been spending his last several summers working with Bridge to Enter Advanced Mathematics (BEAM), a summer residential mathematics program for underserved students from New York City public middle schools. He has also created and taught NCLB Title II-funded in-service workshops for South Dakota middle and high school teachers. Dan moonlights as a musicologist, and has presented several seminar talks on a variety of musical genres at his university.