Leszek Cezary Miller (Polish pronunciation: ['l???k 'mill?r] (listen); born 3 July 1946) is a Polish left-wing politician who served as Prime Minister of Poland from 2001 to 2004.
He is now a Member of the European Parliament.
Miller was the leader of the Democratic Left Alliance from 1999 to 2004 and again from 2011 to 2016.