Scientific career : A chemical engineer, he obtained a thesis in organic chemistry in 1950, and became an assistant and then an associate professor at the Bordeaux Faculty of Science in 1960.
He was Professor at the University of Bordeaux (1963-1987), Dean of the Faculty of Science (1968-1970), and Director of the Institut du Pin (1969-1974), a public-private institute for the study and development of chemical components and derivatives from maritime pine in Bordeaux.
Local political career : At the same time, he took on local political responsibilities, serving as deputy to Bordeaux mayor (Jacques Chaban-Delmas, then Alain Juppé), from 1971 to 2001 (first deputy from 1977 to 1992), President of the General Council of the Gironde department from 1985 to 1988, and President of the Regional Council of the Aquitaine region from 1992 to 1998.
From 2008 to 2015, he was appointed Ambassador-at-Large for French decentralized cooperation in Asia.
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