Sir Jonathan Stephen Day (born 23 April 1954) is a retired British Civil Servant lately serving as the Chairman of the Joint Intelligence Committee and Head of the Joint Intelligence Organisation at the

Cabinet Office The Cabinet Office is a department of His Majesty's Government responsible for supporting the prime minister and Cabinet. It is composed of various units that support Cabinet committees and which co-ordinate the delivery of government objecti ...

. Day initially trained as a

solicitor A solicitor is a legal practitioner who traditionally deals with most of the legal matters in some jurisdictions. A person must have legally-defined qualifications, which vary from one jurisdiction to another, to be described as a solicitor and ...

, and joined the Civil Service in 1979. During his career, Day worked in the Ministry of Defence, the

Foreign & Commonwealth Office The Foreign, Commonwealth & Development Office (FCDO) is a department of the Government of the United Kingdom. Equivalent to other countries' ministries of foreign affairs, it was created on 2 September 2020 through the merger of the Foreign ...

and the

, was seconded to

NATO The North Atlantic Treaty Organization (NATO, ; french: Organisation du traité de l'Atlantique nord, ), also called the North Atlantic Alliance, is an intergovernmental military alliance between 30 member states – 28 European and two No ...

, and did a year's sabbatical at

Harvard University Harvard University is a private Ivy League research university in Cambridge, Massachusetts. Founded in 1636 as Harvard College and named for its first benefactor, the Puritan clergyman John Harvard, it is the oldest institution of higher le ...

. Day retired at the end of November 2015, and was replaced by Charles Farr as Chair of the JIC.

Honours

Day was appointed

Commander of the Order of the British Empire The Most Excellent Order of the British Empire is a British order of chivalry, rewarding contributions to the arts and sciences, work with charitable and welfare organisations, and public service outside the civil service. It was established o ...

(CBE) in the

1999 New Year Honours The New Year Honours 1999 for various Commonwealth realms were announced on 30 December 1998, to celebrate the year passed and mark the beginning of 1999. The ''Honours list'' is a list of people who have been awarded one of the various orders, d ...

for his contribution to the

Strategic Defence Review The Strategic Defence Review (SDR) was a British policy document produced in July 1998 by the Labour Government that had gained power a year previously. Then Secretary of State for Defence, George Robertson, set out the initial defence policy of t ...

as Director of Defence Policy at the MoD and was

knighted A knight is a person granted an honorary title of knighthood by a head of state (including the Pope) or representative for service to the monarch, the Christian denomination, church or the country, especially in a military capacity. Knighthood ...

in the

2016 New Year Honours The New Year Honours 2016 were appointments by some of the 16 Commonwealth realms to various orders and honours to recognise and reward good works by citizens of those countries. The New Year Honours are awarded as part of the New Year celebrati ...

References

External links

Ex-pupil's top post with MoD – This is Gloucestershire

{{DEFAULTSORT:Day, Jon Living people 1954 births British civil servants Alumni of the University of Nottingham Second Permanent Under-Secretaries of State for Defence Civil servants in the Cabinet Office Chairs of the Joint Intelligence Committee (United Kingdom) Knights Bachelor Commanders of the Order of the British Empire