André Flahaut joined the Belgian Socialist Party in 1973. From 1989 to 1995 he served in various posts in the administration of Walloon Brabant. He has served in the local council of Walhain, in the provincial council of Walloon Brabant and as deputy governor of Walloon Brabant. From 1995 he served as Minister for the Civil Service in the second government of Jean-Luc Dehaene. Since 12 July 1999 he has served as Minister of Defence in both governments of Guy Verhofstadt, Verhofstadt I (1999–2003) and Verhofstadt II (2003–2007). From 20 July 2010 to 30 June 2014 he was President of the Belgian Chamber of Representatives. André Flahaut is the current Minister of Budget in the Government of the French Community (Federation Wallonia-Brussels). André Flahaut is Minister of State since 7 December 2009 and Commander of the Order of Leopold Since 2015.