* 2000-2001: Member of the research team "Ancien regime et theatre" led by Professor Christian Biet, University of Nanterre, ParisX, Ecole normal Superieure.
*1996-1998: Active research in economic history and archives : Bolivian House of Suarez, Riberalta, Cachuela Esperanza, Bolivia, under the professorship of Prof. Malcolm Deas, Center for Latin American Studies, Oxford University.