2004-present
Professor of English, English Linguistics, Department of English, University of Cologne
2007-2011
Dean, School of Arts and Humanities (Philosophische Fakultät), University of Cologne
1999-2004
Assistant Professor of English (tenure track; abandoned to take position in Cologne), Applied Linguistics, Department of English, University of North Carolina at Charlotte
Summer 1999
Visiting Assistant Professor, Department of English, Northern Arizona University, Flagstaff
1998
Ph.D., Madison, Wisconsin, U.S.A., in English Language and Linguistics. Awarded Distinction
1997-1999
Lecturer, Department of English, University of Wisconsin-Madison
Summer 1997
Lecturer, Department of Education, Beloit College