Ecole Polytechnique, Ecole Nationale superieure de l’Aeronautique, Harvard University, United States of America.
Member air defense computer system French Air, 1958-1964. President, founder Society d'Etudes des Systems d'Automation, 1964. Chair, Chief Executive Officer BULL, 1980, honorary president, 1989.
Chairman Honeywell Bull Inc., 1987. Founder Stern Computer Systems, since 1989. Founder, president SYCOMORE, since 1991, Stern Systems Information, 1997, SYNESYS, since 1998.
Board Air France, Thomson, Ecole Polytechnique, Fondation des Sciences Politiques. CNER (National Research Evaluation Committee) and other bodies.
Married Janine Riemer, December 12, 1956. Children: Marc-Henri, Paul-Eric, Laurent.