diplomat
British political adviser
Jonathan Nicholas Powell is a British civil servant and former diplomat who has served as the UK National Security Adviser (NSA) under Keir Starmer since 2024, and under Andy Burnham since 2026. He previously served as Downing Street Chief of Staff from 1997 to 2007 under Tony Blair. During this period Powell was also the chief British negotiator in the Northern Ireland peace process.
Not who you're looking for? Others named Jonathan Powell: British television producer · British pianist and self-taught composer · cricketer (born 1979) · British Professor of Latin
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