- Visiting Professor at the War Studies Department, King’s College, London and a regular speaker and writer on the ethical dimension of leadership, on counter-terrorism and on the use of scientific method in intelligence assessment
- First UK Security and Intelligence Coordinator as Permanent Secretary in the Cabinet Office (2002-2005) and Government’s chief crisis manager for civil contingencies
- Permanent Secretary of the Home Office (1997-2000) and of Government Communications Headquarters (1996-1997) and Deputy Under-Secretary for Policy at the Ministry of Defence
- Principal Private Secretary to the Defence Secretary during the Falklands conflict
- Spent three years in Brussels as Defence Counsellor, on loan to the Diplomatic Service
- Non-executive director, Babcock International plc and Finmeccanica UK. Companion of the Chartered Management Institute
- Member of the Royal Society’s committee on Scientific Aspects of International Security
Last updated: 29 April 2010