Current Activities: Senior Partner, Klein & Franco, 2007—. Past Activities in the Private Sector: Private practice, 1963-1974. Associate, Klein & Mairal, 1974-1982. Partner, Klein & Mairal, 1982-1991. Partner, Klein & Franco, 1992-2006. University Post Held Professor of Criminal Law: University of Buenos Aires, 1971-1973 and 1976-1983; Argentine Catholic University, 1976—. Professor, Masters Program: Corporate and Commercial Law, University of Buenos Aires, 1996—; Professor, Masters Program, Criminal Law, Catholic University of Argentina, 2000—; Professor, Masters Program, Criminal Business Law, Catholic University of Argentina, 2000—; Professor, Masters Program, Criminal Business Law, University of San Andrés, 2000—. Member, Academic Committee of Criminal Graduate Studies, Catholic University of Argentina, 2004.