Royal United Services Institute

British defence and security think tank

The Royal United Services Institute for Defence and Security Studies (RUSI) [1] is a British defence and security think tank.[2]

RUSI Headquarters in Whitehall, London.
FounderArthur Wellesley, 1st Duke of Wellington
TypeInternational security defence think tank
HeadquartersLondon, United Kingdom
HRH the Duke of Kent
Michael Clarke

It was founded in 1831 by the Duke of Wellington. RUSI describes itself as "the leading forum in the UK for national and international Defence and Security". It won Prospect Magazine's Think Tank of the Year Award 2008.[3] In 2009, the same magazine named RUSI "Foreign Policy Think Tank of the Year".[4] In 2011 RUSI celebrated its 180th Anniversary.[5]

RUSI's Director is Michael Clarke and its President is HRH the Duke of Kent.


  1. officially still known by its old name, the Royal United Services Institution
  2. O'Connor, Damian P 2011. Between peace and war: British defence and the Royal United Services Institute, 1831-2010. RUSI.
  3. Fitzgerald, Mary. "And the Prospect 2008 Think Tank of the Year is..."
  4. Crabtree, James. "Prospect Think Tank of the Year: The Winners".
  5. "RUSI - 180 years of defence and security thinking". Archived from the original on 2014-02-15. Retrieved 2013-11-08.