Lê is emeritus professor, University of Aix-Marseille, France. He was educated at Lycée Voltaire and Lycée Louis-le-Grand, Paris and Paris University. His subsequent positions included: Assistant, Faculty of Sciences, Paris University; attaché de recherches; chargé de recherches, and maître de recherches, CNRS; vice chairman and chairman, Mathematics Department, University of Paris 7; maître de conférences, Ecole Polytechnique, Palaiseau, France; professor, University of Paris 7; directeur de recherches, CNRS, Marseille, France; and professor, University de Provence, Marseille. He was also head of the mathematics group at the Abdus Salam International Centre for Theoretical Physics in Trieste, Italy. He is editor of the International Journal of Mathematics, Journal of Singularities and Acta Mathematica Vietnamica. He was awarded the Prix d’Aumale by the French Academy in 1990.