Professor of Financial Law, University of Buenos Aires. Co-Director of Tax Section, Revista de Legislación Argentina. Member of Staff, Jurisprudencia Argentina Law Review. Author of legal articles on tax law in several domestic and international legal publications. Argentine Reporter to the International Fiscal Association (I.F.A.) Congress, Cannes, France, 1995. Lecturer at Tucumán Tax Congress of the Consejo Profesional de Ciencias Económicas, 1998. Director of Seminars in the Fiscal Studies Argentine Association. Argentine Reporter to II Jornadas Tributarias Mercosur. San Pablo. Brasil on Transfer Pricing. President of Tax Law Committee of General Law Department of Union Industrial Argentina. Coordinator and lecturer on Municipal Taxes Seminar, U.I.A. (Union Industrial Argentina) 2003. Argentine Reporter to I.F.A. Congress, Vienna, Austria 2004. Director of Post Graduate Course at Colegio de Abogados de la Ciudad de Buenos Aires, on Argentine Taxation. Argentine Reporter to 59th International Fiscal Association Congress, September 2005. President of Fiscal Studies Argentine Association, 2000-2002. Member of the Legal and Fiscal Committee of the American Chamber of Commerce in Argentina. Member of Directors Council and Member of Tax Matters Advisory Committee of Corporations Trade Association. Member of Directors' Council of Advertisers Chamber. Legal Counsel to Argentina Chamber of Non-alcoholic Beverage Manufacturers (CADIBSA) and to the Coordinator of Food Industries (COPAL). Member of the Administrative Board of U.A.D.E. (Universidad Argentina de la Empresa). Arbitrator of the Argentine Chamber of Commerce.