Sir John Manzoni

Chair

Sir John Manzoni was appointed Chair of Diageo plc on 5 February 2025, having been a Non-Executive Director since October 2020. Sir John is the Chair of the Nomination Committee.

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Current external appointments

Chair – SSE plc
Non- Executive Director – KBR, Inc.

Previous relevant experience

Chair – Atomic Weapons Establishment
Chief Executive of the Civil Service and Permanent Secretary of the Cabinet Office – HM Government
President and Chief Executive Officer – Talisman Energy
Chief Executive, Refining & Marketing – BP p.l.c.
Chief Executive, Gas & Power – BP p.l.c.
Non-Executive Director – SABMiller plc