Data Envelopment Analysis Mathematics, University Grenoble, France, 1980. Doctor of Philosophy in Mathematics, University Grenoble, France, 1983. Doctorat d'Etat es Science, Mathematics University Grenoble, France, 1995.
Professor mathematics University Madagascar, Antananarivo, since 1983. Director general Ministry of Youth and Sport, Madagascar, 1992-1993. Director studies and planning Ministry of Higher Education, Madagascar, since 1994.
Executive secretary Japanese Grant project of World Bank, Madagascar, 1994.
Member American Mathematics Society, Madagascar Mathematics Society, Friends of Club of Ranomafana National Park.