European Council European Council elected the then-Prime Minister of Belgium Herman Van Rompuy as its first permanent president (resigning from Belgian Prime Minister). The European Council is an official institution of the EU, mentioned by the Lisbon Treaty as a body which "shall provide the Union with the necessary impetus for its development". Essentially it defines the EU's policy agenda and has thus been considered to be the motor of European integration. Beyond the need to provide "impetus", the Council has developed further roles: to "settle issues outstanding from discussions at a lower level", to lead in foreign policy — acting externally
President of the European Council mandate, this would strengthen the post within the European Council allowing for stronger leadership in addition to addressing the question of democratic legitimacy in the EU. However, this might cause conflict with Parliament's democratic mandate or a potential mandate for the Commission (see section below). To give a mandate to the European Council's president would signify a development of the Union's governance towards a presidential system, rather than a parliamentary system. There had been disagreement and concern over competition between the former President of the European Council Van Rompuy and the former Commission President Barroso due to the vague language