President of the Republic of Poland Aleksander Kwaśniewski 1998–2000 Deputy Executive Secretary, United Nations Economic Commission for Europe, Geneva Return to government From 2001 until 2003, Hübner was the Head of Office of the Committee for European Integration and Secretary of State at the Ministry of Foreign Affairs. From 2003 until 2004, Hübner served as Minister for European Affairs in the government of Prime Minister Leszek Miller. In this capacity, she was the representative of the Government of Poland to the Convention on the Future of Europe. Member of the European Commission, 2004–2009 From 1 May 2004, Hübner was a Member of the European Commission. At the time of her nomination by Prime Minister of Poland Leszek Miller, her main competitor was fellow Convention member and former Prime Minister Józef Oleksy. In November 2004, Hübner was appointed Commissioner for Regional Policy in the European Commission led by President José Manuel Barroso. In this capacity, she represented the Commission at the funeral of Pope John Paul II in 2005. Between 2006 and 2007, Hübner served as member of the Amato Group, a group of high-level European politicians unofficially working on rewriting the Treaty establishing a Constitution for Europe into what became known as the Treaty of Lisbon following its rejection by French and Dutch voters. Member of the European Parliament, 2009–present Since the 2009 European elections, Hübner has been a Member of the European Parliament for Poland, representing the Warsaw Constituency (from Civic Platform). In 2011, she was awarded the Emperor-Maximilian-Prize. From 2009 until 2014, Hübner served as chairwoman of the Committee on Regional Development. Since 2014, she has been chairing the Committee on Constitutional Affairs. She also serves on the Committee on Economic and Monetary Affairs and on the five-member Advisory Committee on the Conduct of Members, the parliament’s body responsible for assessing alleged breaches of its code of conduct and advising the President of the European Parliament on possible action to be taken, In addition to her committee assignments, Hübner has been a member of the Parliament's delegation for relations with the United States since 2009. On 15 September 2010 she joined the Spinelli Group in the European Parliament, which was founded to reinvigorate the strive for federalisation of the EU; other prominent supporters included Jacques Delors, Daniel Cohn-Bendit, Guy Verhofstadt, Andrew Duff, Elmar Brok. She is also a member of the European Parliament Intergroup on Sports. From 2014