Author of several works published in Cahier de Droit Fiscal International. Co-Author: "A Guide to Income Tax Law in Brazil," Interamerican Tax Research, New York; Many other books and articles published in Brazil. Former Professor, Tax and Financial Law, Federal University of Rio de Janeiro. Speaker: "The Future of the Lawyer" (including electronic contracts and ethics); "XLII Congress on the International Association of Finance Law" (affiliated with the International Fiscal Association-IFA). Member: Director of Harvard Law School Association - Brazil. Former Member, Taxation Council of Brazilian Securities Commission. Vice-President, of Catholic Jurists of Rio de Janeiro Association .