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.
- Occupation
- politician
- Position held
- First Secretary of State, Lord President of the Council, Secretary of State for Business, Innovation, Science and Trade, member of the House of Lords
- Citizenship
- United Kingdom
- Born
- October 21, 1953
