Professional Positions

2008-present, Professor of Mathematics, Middlebury College.  Department Chair from 2018—2022.

2022—2023, Visiting Fellow, University of Otago, Dunedin, New Zealand.

Fall 2016, Visiting Research Fellow, Harry Ransom Research Center, University of Texas at Austin

2008-2013, co-Editor of Math Horizons, quarterly journal published by the MAA

2010-2011, Visiting Fellow, Clare Hall College and CRASSH (Center for Research in the Arts, Social Sciences and Humanities), Cambridge University

2002-2008, co-Head of Ross Commons, Middlebury College

Spring 1999, Visiting Assistant Professor, University of Virginia

1992-1993 and 1995-1996, Visiting Assistant Professor, Saint Olaf College