Klaus Henning a social scientist with a focus on Eastern Europe, living in Berlin. He works as a vocational counsellor and teaches Social- and labour market politics in Potsdam. He published several books and articles on Trade Unions and on Politics of Eastern Europe. He is a founding member of the Left Party in Germany, worked in election campaigns and is a supporter of a network of revolutionary socialists inside the Party. He was born in East Berlin during the GDR-time.