Updated: 07-Sep-2001 Who is who?


Director Private Office

Jonathan Stephen Day

2001 -

Jonathan Stephen (Jon) Day was appointed as Director of the NATO Secretary General's Private Office in September 2001. Prior to that, he was Chief of the Assessments Staff in the UK Cabinet Office.

Jon has been a career Civil Servant in the Ministry of Defence since 1979 and a member of the Senior Civil Service since 1995. His most recent MOD post was as Director of Defence Policy from 1997-9, during which time he was responsible for:

  • co-ordinating the Strategic Defence Review;
  • developing the MOD's strategic planning process;
  • producing the Statement on the Defence Estimates and Ministerial policy speeches.

During the Kosovo crisis, Jon helped lead the MOD team developing long term policy options. He was awarded the CBE for his work as Director of Defence Policy. He subsequently spent nine months as a Fellow at the Weatherhead Centre for International Affairs, Harvard University in the United States.

From 1995-7, Jon was Deputy Command Secretary at the Army's Land Command Headquarters.

During 1988-95, Jon served at NATO Headquarters in Brussels. For the first four years he was seconded to the FCO as First Secretary Europe in the UK Delegation. He was also secretary of the Eurogroup Ministerial forum and (briefly) the Independent European Programme Group. For the subsequent three years Jon was seconded to the NATO International Staff as Head of Force Planning and Analysis.

Jon's previous posts in the MOD included:

  • the policy studies secretariat;
  • Assistant Private Secretary to the Armed Forces Minister;
  • the out of area policy secretariat;
  • the Naval Staff policy secretariat, including during the Falklands War.

Jon was born in 1954 and educated in Gloucestershire, including at Marling School, Stroud, and at Nottingham University, where he gained an LLB(Hons). He subsequently spent two years as a solicitor's articled clerk before joining the Civil Service as an Administration Trainee.

Jon is married to Sandra and they have a ten year old daughter, Catherine. Their home in the UK is in Winchester. Jon's interests include the cinema, theatre, reading, military and general history, cricket, walking, and unsuitably loud and juvenile music.

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