Party affiliation: Social Democratic Party of Germany
Senator for the Environment, Free and Hanseatic City of Hamburg, 1978-1986. Senator for Justice since 1986. President, Senate Office for Administrative Service, Organisation Office and the Senate Office for County Affairs.
Member of Bundesrat, since 1978. Chairman, Supervisory Board, Fischmarkt Hamburg-Altona GmbH. Member of Supervisory Board, Hamburg Wasserwerke GmbH.
Chairman, Board of Directors, Hamburger Feuerkasse, Hamburger Mobiliarfeuerkasse.