In 1976, he was elected municipal councilor of Massy (1983), general councilor of the Essonne departement (1985), and senator of the same department (1986, reelected in 1995 and 2004). He also served as Minister-Delegate of Vocational Education between 2000 and 2002, under the Minister of National Education, Jack Lang, in the cohabitation government of Lionel Jospin.