He was also member of the European Parliament’s working group on EU-UN relations and a substitute member of the ACP-EU Joint Parliamentary Assembly. After being President of the Union of European Federalists (UEF) from 1997 to 2005, he was appointed the organization’s Honorary President. Mr. Leinen also served as Vice President of the European Movement International (EMI) from 2003 to 2011, before becoming its President from November 2011 until 2017. 
He was also member of the European Parliament’s working group on EU-UN relations and a substitute member of the ACP-EU Joint Parliamentary Assembly. After being President of the Union of European Federalists (UEF) from 1997 to 2005, he was appointed the organization’s Honorary President. Mr. Leinen also served as Vice President of the European Movement International (EMI) from 2003 to 2011, before becoming its President from November 2011 until 2017. 
