RUSI

The Royal United Services Institute (RUSI) is an independent think tank engaged in cutting edge defence and security research.

Registered charity 210639 · London

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RUSI relies on members' fees, income from its projects, and the generous support of companies and individuals who believe in the importance of its work.

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I am the author of HRH The Duke of Kent A Life of Service At 90 - published Seymour Books September 2025 for the Duke's 90th birthday.
£15 Celia Lee · 25 Apr

About RUSI

RUSI consistently brings to the fore vital policy issues to both domestic and global audiences, enhancing its growing reputation as a ‘thought-leader institute’, winning Prospect magazine's Think Tank of the Year Award in 2008 and Foreign-policy Think Tank of the Year in 2009 and again in 2011.

RUSI provides corporate and individual membership packages offering exclusive access to the UK’s premier forum on defence and security. Through our publications and events, RUSI members benefit from authoritative analysis, insight and networks. RUSI is renowned for its specialist coverage of defence and security issues in the broadest sense. Our expertise has been utilised by governments, parliament and other key stakeholders