
Also known as Peter Benjamin Mandelson, Baron Mandelson of Foy, Lord Mandelson, Prince of Darkness, Lord Peter Scandalson
Peter Benjamin Mandelson, Baron Mandelson, is a British former Labour Party politician, lobbyist and diplomat. He was the Member of Parliament (MP) for Hartlepool from 1992 to 2004. He served in Tony Blair and Gordon Brown's cabinets as Minister without portfolio, Secretary of State for Northern Ireland, Business Secretary and First Secretary of State. He was the British Ambassador to the United States in 2025 under Prime Minister Keir Starmer.
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Member of the House of Lords Lord Temporal
Life peerage 13 October 2008 – 4 February 2026 Member of Parliament for Hartlepool In office 9 April 1992 – 8 September 2004 Preceded byTed Leadbitter Succeeded byIain Wright
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Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).