1994-2002, Member of the German Parliament. 2004-09, Member of the European Parliament. Since 2008, Chairman, German Green Party. Co-Founder, European Council on Foreign Relations. Member of advisory councils at BVMW, the American-Jewish Committee, Hertie Foundation's START programme and the Hrant Dink Foundation. Member of the Board of Trustees: German-Turkish Forum Stuttgart; Theodor Heuss Foundation. Expertise and interests: green economy, educational reforms, migration and integration politics, the European Union, social policy, hiking and Laurel & Hardy.