President of the European Council the member state holding the semiannually rotating Presidency of the Council of the European Union at any given time. However, since the 2007 Treaty of Lisbon, article 15 of Treaty on European Union states that the European Council appoints a full-time president for a two-and-a-half-year term, with the possibility of renewal once. Appointments, as well as the removal of incumbents, require a double majority support in the European Council. On 19 November 2009, the European Council agreed that its first president under the Lisbon Treaty would be Herman Van Rompuy (European People's Party, Belgium). Van Rompuy took office when the
President of the European Council facing Europe, but was overtaken by the Greek economic crisis. The role of "President-in-Office" of the assembled European Council was performed by the head of state or government of the member state currently holding the Presidency of the Council of the European Union. This presidency rotated every six months, meaning there was a new President of the European Council twice a year. The role as President-in-Office was merely a "primus inter pares" role among other European heads of state or government. Being primarily responsible for preparing and chairing the meetings of the European Council, the role had no executive powers