Guy Verhofstadt (born Guy Maurice Marie Louise VerhofstadtApril 11, 1953) is a Belgian politician, who served as the 47th Prime Minister of Belgium from 1999 to 2008. Since 2009 he has served as a Member of the European Parliament where he is the leader of the Group of the Alliance of Liberals and Democrats for Europe (ALDE) and founded the inter-parliamentarian federalist Spinelli Group.