| 2015 – present |
Home Office, Director Counter Extremism |
| 2014 – 2015 |
Home Office, Director, Strategy and Private Office |
| 2012 – 2014 |
Home Office, Deputy Director, National Security, Office for Security and Counter Terrorism |
| 2010 – 2012 |
Cabinet Office, Deputy Director, National Security Secretariat |
| 2009 – 2010 |
Deputy Head of the Department for International Development (DFID) Afghanistan |
| 2008 – 2009 |
Deputy Head, Provincial Helmand Reconstruction Team, Afghanistan |
| 2006 – 2008 |
Deputy Head of Stabilisation Unit |
| 2005 – 2006 |
Head of DFID, Iraq |
| 2003 – 2005 |
DFID, Head, Agricultural Policy Department |
| 2001 – 2003 |
DFID, Deputy Head, Environment Policy Department |
| 1996 – 2001 |
DFID South Africa, Natural Resources Adviser |
| 1995 – 1996 |
DFID Lesotho, Natural Resources Adviser |
| 1989 – 1993 |
Vanuatu Ministry of Agriculture, Principal Economist |
| 1987 – 1989 |
DFID, Economist |
| 1985 – 1987 |
Save the Children Fund Sudan, Programme Officer |
| 1984 – 1985 |
Ministry of Finance and Planning Uganda, Economist |