President and Professor of History, University of Richmond Dean of the College and Graduate School of Arts and Sciences, University of Virginia, 2001-2007; Hugh P. Kelly Professor, 1993-2007; professor, 1992-1993; associate professor, 1986-1992; assistant professor, 1980-1986 Fellow, Center for Advanced Study in the Behavorial Sciences, Palo Alto, 1999-2000 John Adams Professor of American Studies, University of Groningen, The Netherlands, 1995