Description Anthony Charles Lynton Blair (born 6 May 1953), originally known as Anthony Blair, but later as Tony Blair, is a British Labour Party politician, who served as the Prime Minister of the United Kingdom (UK), from 1997 to 2007. From 1983 to 2007, Blair was the Member of Parliament (MP) for Sedgefield, and from 1994 to 2007, Blair was the Leader of the Labour Party. He now runs a consultancy business and performs charitable work.