Tony Blair is a politician.
Prime Minister of the United Kingdom . The Prime Minister ( informal abbreviation : PM ) and Cabinet ( consisting of all the most senior ministers , most of whom are government department heads ) are collectively accountable for their policies and actions to the Monarch , to Parliament , to their political party and ultimately to the electorate . Anthony Charles Lynton Blair ( born 6 May 1953 ) is a British politician who served as Prime Minister of the United Kingdom from 1997 to 2007 and Leader of the Labour Party from 1994 to 2007 .