About Darren Tierney
Born 1975. Darren Tierney is a civil servant.
Darren Christopher Tierney (born 29 January 1975) is a British civil servant, serving since 2025 as the Permanent Secretary for the Office for National Statistics.
Tierney, a Roman Catholic from Northern Ireland who attended St Columb's College in Derry and then Queen's University Belfast,
Tierney was then promoted to director, serving first as director for youth justice policy.
Tierney returned to the Cabinet Office in 2021, taking over from outgoing Deputy Cabinet Secretary Helen MacNamara in the part of her role as overseeing propriety and ethics across the UK government. In 2023, the role was reformed to include the constitutional affairs parts of the cabinet office, and renamed to "Director General, Propriety and Constitution Group".
Offices held
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Important facts
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Frequently asked questions
Who is Darren Tierney?
British civil servant
When was Darren Tierney born?
Darren Tierney was born on 29 January 1975.
What is Darren Tierney's occupation?
Darren Tierney is a civil servant.
Sources & further reading
Cite this page
APA: Biography.guide. (2026). Darren Tierney. https://biography.guide/darren-tierney/
MLA: "Darren Tierney." Biography.guide, https://biography.guide/darren-tierney/.
Chicago: "Darren Tierney." Biography.guide. https://biography.guide/darren-tierney/.
Data last updated: 2026-09-20 · Spot an error? Report a correction.
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