Author: "Theory of the Science," Quito, 1951; "Principles of Social Ethic," Quito, four editions; "Commentary of the Law of Companies," Quito, 1965; "Contribution to the Study of the Private Arbitrage," Quito, 1982; "Roman Law of the Obligations," Quito, 1982. Professor, Universidad Central del Ecuador: Institute of Law, Professor of International American Law, 1954-1960; Law School, Professor of Commercial and Roman Law, 1955-1985; School of International Sciences, Professor of Treaties Law; School of Philosophy, Professor of Logic and Philosophy. Congressman, Republic of Ecuador, 1952-1955. Senator, Republic of Ecuador, 1956-1963. Minister of Education and Culture, 1966-1967. Ecuadorian Representative to the GATT, 1985-1988. Attorney General, 1992-1996. Dean of the Law School, Universidad de Las Américas, 1999. Rector of the Universidad De Las Americas, 2002-2007.