2001 - Present: Professor of Economics, Department of Economics, Georgetown University

2016 -2017: Associate Dean for Program development, Graduate School of Arts an Sciences, Georgetown University

1999- 2001: Professor of Economics, Department of Economics, University of Southampton

1987 - 1999: Lecturer in Economics, St. John's College and Faculty of Economics & Politics, University of Cambridge

1987: PhD in Economics, Faculty of Economics & Politics, University of Cambridge