In 1980 he was employed by Thyssen-Krupp. From 1991 to 2003 he was involved in the workers union IG Metall.[1]
Political career
From 1983 to 2005 he was affiliated with the Social Democratic Party of Germany (SPD). In 2005 he was member of the parliamentary group Die Linke. In 2007 he became member of the new founded party Die Linke.[2]
^Bundestag, Fraktion DIE LINKE im. "Profil". Fraktion DIE LINKE. im Bundestag (in German). Archived from the original on 2020-12-08. Retrieved 2020-01-15.