Faculte de Droit de Paris II (1970-1971). University of Buenos Aires, School of Law (Bachelor of Laws 1972. Doctor of Laws, magna cum laude, 1983).
Harvard Law School (Master of Laws, 1984.
Doctor of Juridical Science, 1985). Spoken languages: Spanish, English, French and German.
Working as a partner of LE PERA & LESS A. Admitted to the bar, 1972, Argentina. 1986, New New York
London Court of International Arbitration, since 1988. SecLE PERA & LESSA, Buenos Aires—Continued retary, National Commercial Court Number. 2, 1973-1977. Recipient, Doctoral and Research Scholarships: French Government, 19701971.
Hague Academy of International Law, 1975.
Max-PlanckInstitute, Hamburg, 1980 and 1981. Consejo Nacional de Investigaciones Cientificas у T6cnicas de la Reptiblica Argentina, 19831985.
Harvard University, 1984. Recipient, Addison Brown Prize of Private International Law and Kurt Nadelman Bequest, Harvard Law School, 1985.