- Political Group : S&D
- Country : Germany
First state law examination (1972). Graduate of the Collège de l'Europe, Bruges (1973). Second state law examination (1976). Lawyer in Freiburg/Breisgau (1977-1984).
European affairs secretary of the SPD youth organisation (1977-1979). Member of the SPD's environment commission (1981-1985). Member of the Saarland regional executive of the SPD (1985-1999). Member of the SPD's European affairs commission (1996-1998).
Vice-President of the European Environmental Bureau, Brussels (1979-1984). President of the Union of European Federalists (since 1997). Vice-President, International European Movement (since 2003).
Member of Püttlingen (Saarland) council (since 1999). Member, Saarland Regional Assembly (1985-1999); Chairman, European affairs committee (1994-1999). Minister of the Environment, Saarland (1985-1994).
Vice-Chairman, Committee on Constitutional Affairs (2002-2004). Chairman, Committee on Constitutional Affairs (since 2004).
Member, Committee on the Regions (1995-1999). Member, Council of Europe Congress of Local and Regional Authorities (1995-1999).
Member of cultural, social and sporting organisations. Vice-President of Eurosolar e.V.
Member of the European Parliament (since 1999).
German Environment Foundation Prize (1985).