James Roscoe (diplomat)

James Roscoe
British Chargé d'affaires ad interim to the United States
In office
11 September 2025 – 2 February 2026
MonarchCharles III
Prime MinisterSir Keir Starmer
Preceded byPeter Mandelson
Succeeded bySir Christian Turner
In office
2 February 2025 – 10 February 2025
Preceded byKaren Pierce
Succeeded byPeter Mandelson
Deputy British Ambassador to the United States
Assumed office
July 2022
MonarchsElizabeth II
Charles III
Prime MinisterBoris Johnson
Liz Truss
Rishi Sunak
Sir Keir Starmer
Preceded byMichael Tatham
British Ambassador to the UN General Assembly
In office
2019 – July 2022
MonarchElizabeth II
Prime MinisterTheresa May
Boris Johnson
Personal details
Born1975 or 1976 (age 49–50)
SpouseClemency Burton-Hill
Children2
RelativesHumphrey Burton (father-in-law)
Alma materSt John's College, Durham
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James Paul Roscoe (born 1976) is a British diplomat who has served as the Deputy British Ambassador to the United States since July 2022.

He previously served as British Chargé d'affaires ad interim to the United States in February 2025 between the departure of Karen Pierce as British ambassador and the appointment of Peter Mandelson, and between September 2025 and February 2026 following the dismissal of Mandelson.