At Indiana University, Bloomington:
- Assistant Professor, Department of English, 1990—1996
- Associate Professor, Department of English, 1996—1998
- Assistant, Associate Professor of Cultural Studies, 1993-1998.
- Assistant, Associate Professor of American Studies, 1995-1998.
University at Albany, State University of New York: Visiting Professor, Director of Graduate Studies, and Associate Chair, Department of English, ,1998—1999; Professor, 1999-2003.
Rice University, Bruce and Elizabeth Dunlevie Professor, Department of English, 2003—present.