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John Manzoni

British businessman

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General referenceInterpretive dossier study · Crown Archives visual atlas
Record originEnglish Wikipedia
Text licenseCC BY-SA 4.0
Source revisionApr 7, 2026
Entity authorityQ18331193 ↗
Source-derived summary

Sir John Alexander Manzoni (born 1960) is a British senior civil servant and business executive, who served as chief executive of the civil service and the Cabinet Office Permanent Secretary from 2014 to 2020.

Early life and education

Manzoni studied civil engineering as an undergraduate and obtained a master's degree in petroleum engineering at Imperial College London. He later studied for a Master's degree in management as a Sloan Fellow at Stanford University in 1994. He also has a Master of Business Administration degree.

Business career

Manzoni started to work for the oil and gas company BP in 1983. In 2000, he was a group vice president at the company. He was chief executive for refining and marketing at BP at the time of the Texas City refinery explosion in 2005, in which 15 people were killed and 170 injured. An internal BP investigation cleared him of "serious neglect or intentional misconduct" but said he should have taken more steps to consider and mitigate the risks long before the disaster occurred, and criticised several aspects of his conduct. Costs of repairs and deferred production at Texas City amounted to over $1 billion. BP pled guilty to federal environmental crimes, for which it paid $50 million.

Editorial summary

“John Manzoni” enters the record as british businessman. Crown Archives preserves that source wording while asking what John, Manzoni and British can confirm, complicate or overturn.

Editorial reviewA dependable orientation record for establishing vocabulary, names and a first evidence trail. The current lead gives the account dated anchors—1960, 2014, 2020, 1994—that can be checked directly. The linked authority record independently contributes the date 1960. Its strongest next move is a source search built around John, Manzoni and British.
Editorial analysis

Why this record matters

“John Manzoni” is worth following because a concise public description often conceals a longer documentary argument. Here, John, Manzoni and British provides the most credible route into that argument.

Evidence profile

Vocabulary and entity names are the principal evidence signals here, because they determine the precision of every later search. The source revision retrieved here is dated Apr 7, 2026. The linked authority identifier is Q18331193. 1 of 1 selected statements include explicit references; 0 carry qualifiers and 0 use preferred rank. The first chronological checks are 1960, 2014, 2020 and 1994.

Critical limits

Overview language is designed for orientation and should not be treated as a substitute for the evidence cited beneath it. The lead is largely declarative, so disagreement and counter-evidence require a deliberate search beyond the opening account. Authority statements aid reconciliation but still require their own references, qualifiers and ranks to be checked.

How to read it

Use the entry as an orientation point, then follow its citations and revision history. Names, dates and institutional relationships should be checked against the original record.

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  3. Test the account: compare the strongest cited source with the responsible institution’s current record and note any disagreement.

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Source & attribution

This entry incorporates text from “John Manzoni” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.