| 2012 - Date |
Research Director, Area Studies and International Law, Chatham House |
| 2008 - 2012 |
Research Director, Regional and Security Studies, Chatham House |
| 2009 - Date |
Senior Lecturer (previously Lecturer), Department of International Studies and Social Science, and Associate, African Studies Centre, Coventry University |
| 2005 - 2007 |
Member, later Chair, UN Panel of Experts on Côte d'Ivoire |
| 2001 - 2003 |
Member, UN Panel of Experts on Liberia |
| 2002 - Date |
Head, Africa Programme, Chatham House |
| 2002 - 2010 |
Senior Researcher, Business and Human Rights, Human Rights Watch (part-time) |
| 1999 - 2002 |
Associate Fellow, British-Angola Forum, Chatham House |
| 1993 - 2002 |
Researcher/Senior Researcher, Arms and Africa Divisions, Human Rights Watch |
| 1997 |
MacArthur NGO Fellow, Department of War Studies, King's College, University of London |
| 1994 - 2000 |
Research Associate, Queen Elizabeth House, University of Oxford |
| 1994 |
Electoral officer, UNOMOZ, Mozambique |
| 1992 |
Electoral officer, UNAVEM II, Angola |
| 1990 - 1993 |
Africa Analyst, Control Risks |
| 1990 |
Consultant, Centre for Southern African Studies, University of York |
| 1989 |
Research Assistant, National Museums and Monuments, Masvingo, Zimbabwe |
| 1988 |
Graduate Scholar, British Institute in Eastern Africa, Nairobi, Kenya
|