| 2017 – 2018 |
Co-chair UK Government AI Review (published October 2017), Government of the UK |
| 2010 – 2014 |
Dean, Faculty of Physical Sciences and Engineering, University of Southampton |
| 2008 – 2010 |
President of the Association of Computing Machinery, Association of Computing Machinery, US |
| 2003 – 2004 |
President of the British Computer Society, BCS, UK |
| 2002 – 2007 |
Head of School of Electronics and Computer Science, University of Southampton |
| 1996 – 2002 |
EPSRC Senior Research Fellow, University of Southampton, UK |
| 1994 – 2017 |
Professor of Computer Science, University of Southampton, UK |
| 1984 – 1994 |
Lecturer, then Senior Lecturer, Department of Electronics and Computer Science, University of Southampton |
