Party affiliation: Social Democratic Party of Germany
Union Secretary, German Employees Union, since 1964. Speaker on Education and Professional Policy, Federal Committee, 1966-1967. Head of Department, Economic Policy, Federal Committee and Head of Industry Department, since 1978.
Member, Hamburg Bürgerschaft, 1978-1991. Deputy Chairman, German Employees Union, September since 1983. Chairman, September since 1987.
Member, Committee, European Trades Union Organisation. Member, Union Council of Sozialdemokratische Partei Deutschlands (Social Democratic Party of Germany), since 1986. Senator for Justice, Berlin Regional Government, since 1989.
Deputy member, Bundesrat, since 1990. Professor of Law, Free University of Berlin, 1971 -. Teaching post in Legal Sociology, University of Heidelberg, 1974.
Visiting Professor, Bremen, 1982. Active in self-administration at various university ettees.