Meet the Faculty Edward R. Balotsky, Ph.D. Assistant Professor Ronald L. Dufresne, Ph.D. Associate Professor John J. McCall, Ph.D. Professor, the John McShain Chair in Ethics João Neiva de Figueiredo, Ph.D. Assistant Professor on leave of absence 2012-13 Lisa Nelson, D.Sc. Visiting Instructor Claire A. Simmers, Ph.D Professor and Chair David S. Steingard, Ph.D. Associate Professor, Associate Airector of the Pedro Arrupe Center for Business Ethics C. Ken Weidner, II, Ph.D. Assistant Professor