Employment history

July 2000 to present

Eberly Family Distinguished Professor of Geography

Department of Geology and Geography

West Virginia University, USA

Jul 1995 to June 2010

Department Chairman

Department of Geology and Geography

West Virginia University, USA

Aug 1997 to Jan 2000

Professor of Geography

Department of Geology and Geography

West Virginia University, USA

Aug 1992 to Jun 1995

Associate Chair

Department of Geology and Geography

West Virginia University, USA

Jan 1990 to Jul 1997

Associate Professor of Geography

Department of Geology and Geography

West Virginia University, USA

Jan 1988 to Dec 1989

Senior Lecturer

Department of Geographical Sciences

University of Plymouth,United Kingdom

Apr 1983 to Dec 1987

Research Fellow in Geographic Information Systems

Countryside Research Unit and Computer Centre

University of Brighton, United Kingdom

Jan 1981 to Mar 1983

Research Associate and part-time Lecturer

Department of Geography

University of Portsmouth, United Kingdom

Nov 1977 to Dec 1980

Research Assistant

Department of Geography

University of Portsmouth, United Kingdom