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.
Standing...
Stories...
Jun 22, 2026
Far Left
His scandal was a key factor in Starmer's unpopularity, as mentioned in John Harris's analysis of Starmer's fatal flaw.
Mandelson epitomises the Labour right's pro-business, Iraq-war supporting faction that the radical left holds responsible for the party's betrayal of socialist principles.