| 2010 – 2014 |
Dean, Faculty of Physical Sciences and Engineering, University of Southampton |
| 2002 – 2007 |
Head of School of Electronics and Computer Science, University of Southampton |
| 1996 – 2002 |
EPSRC Senior Research Fellow |
| 1994 – |
Professor of Computer Science, Department of Electronics and Computer Science, University of Southampton |
| 1984 – 1994 |
Lecturer, then Senior Lecturer, Department of Electronics and Computer Science, University of Southampton |
| 1978 – 1984 |
Lecturer, then Senior Lecturer in Mathematics and Computing, La Sainte Union College of H.E., Southampton |
| 1977 – 1978 |
Lecturer in Engineering Mathematics, Oxford Polytechnic |
