Party affiliation: Social Democratic Party of Germany
Chairman, Allgemeiner Studenten Ausschuß AstA, 1964. Chairman. Young Socialists, 1972. Member of committee Sozialdemokratische Partei Deutschlands (Social Democratic Party of Germany).
Deputy chairman of Bundestag Group. Speaker on Economic Policies. Chairman of Commission for Economic and Finance Policies.
Member of Bundestag since 1976. Planning adviser.