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1971 Abitur. 1972/73 Civilian service. 1973 to 1979 studied German, politics and sports in Tübingen, state examination. 1979 to 1984 traineeship and teaching at a grammar school, Stuttgart.
1989 to 1998 head of department for health and environment at the adult education center in Stuttgart.
Member of the Naturefriends of Germany, 1st Chairman of the Board of Trustees for Sport and Nature. Board member of 'Allianz pro Schiene' and 'Straßenfußball für Toleranz'.
1992 to 1997 State Chairman of the Green Party in Baden-Württemberg. 1984 to 1988 Member of the State Parliament of Baden-Württemberg.
Member of the Bundestag since 1998.
