From 1979 to 1983, Stéphane was a music producer.
From 1983 to 1984, Stéphane worked as Assistant Manager in the cabinet of Michel Rocard, then Minister of Agriculture in France.
Stéphane went on to found a communications agency before joining RSCG in 1988 and co-founding “RSCG Public,” a corporate communications agency. Under his stewardship, the agency became Euro RSCG C&O, now called Havas C&O, and conquered the top spot among French Corporate & Financial Communications agencies.
In 2003, he was named Chief Executive Officer, France, of Havas Worldwide and in 2005, Executive co-Chairman, Havas Worldwide. In 2011, Stéphane became Vice President of Havas Group.
Stéphane is also an international political advisor to such world leaders as president of Poland, Aleksander Kwasniewski (1995-2005) and former Israeli Prime Minister Ehud Barak. He has also worked for the French Socialist Party.
Stéphane has been a speaker at the French-American Foundation, Princeton University, and the Young Leaders convention in New York. He has worked in various sectors and professions throughout his career, including politics, economics, and media on one side, and advertising, marketing, and consulting on the other, for clients including Airbus, BNP Paribas, LVMH, Alcatel, Capgemini, and Microsoft, among others.
Stéphane has a master’s degree in Public Law (Université Paris I Pantheon-Sorbonne), a DESS (degree awarded after a five-year course of study) in Political and Social Communication (Paris I), and has studied at the Institut d’Etudes Politiques.
He is the author of a book published by Plon in 2007, entitled Les Nouvelles Elites , which could be summarized in the following way: In France, the new elites are ready to reach power. Who are they? What do they think of their country? What do they want to change? And, especially, what are they going to change?
Since 2009, he has been Administrator for the Imagine Foundation and IRIS. Stéphane also joined the Board of Directors of Médecins Sans Frontières in 2009.
Finally, Stéphane was appointed Chevalier de l’Ordre National du Mérite in 2005 and Chevalier de la Légion d'honneur in 2008.