From Wikipedia, the free encyclopedia. Anthony Charles Lynton Blair (born 6 May 1953) is a former British Labour Party politician who served as the Prime Minister of the United Kingdom from 2 May 1997 to 27 June 2007. He was the Member of Parliament (MP) for Sedgefield from 1983 to 2007 and Leader of the Labour Party from 1994 to 2007. He resigned from all of these positions in June 2007. Tony Blair was elected Leader of the Labour Party in the leadership election of July 1994, following the s...