Dominique Strauss-Kahn
Strauss-Kahn was first an activist member of the Union of Communist Students, before joining in the 1970s the Centre d'études, de recherches et d'éducation socialiste (Center on Socialist Education Studies and Research, CERES) led by Jean-Pierre Chevènement, future presidential candidate at the 2002 election. There, he befriended the future Prime Minister of France Lionel Jospin (PS).