Professor of Private International Law, Complutense University of Madrid (Spain); Member of the International Academy of Commercial and Consumer Law; Visiting Scholar –among others- of the Hague Academy of International Law (Netherlands), Université de Paris 2 et Paris 3 (France), University of Ottawa (Canada), University of California - Davis (USA), Doshisha University (Japan), Université de Lausanne (Switzerland) and many universities in Latin America; Member of Argentinean delegations to UNCITRAL, Organization of American States and the Hague Conference on Private International Law; consultant of the European Union for the Andean Community in the field of arbitration; consultant of the BID/MERCOSUR on the efficiency of legal system of MERCOSUR. Author of: La codificación del Derecho internacional privado en América Latina (1994), El arrendamiento de inmuebles en la Unión Europea (1998), Derecho internacional privado (una mirada actual sobre sus elementos esenciales) (1998), Derecho internacional privado interamericano – Evolución y perspectivas (2ª ed. 2003); Derecho internacional privado de los Estados del MERCOSUR (2003). Co-editor of DeCITA (derecho del comercio internacional – temas y actualidades). Many articles and notes on international business law, arbitration, private international law, EC law and comparative law in publications of Argentina, Brazil, Chile, Colombia, France, Germany, Italy, Mexico, Netherlands, Paraguay, Portugal, Spain, Switzerland, USA and Uruguay.