Director, Washington Office(s), Economic Commission for Latin America and the Caribbean since 1986. Economic Affairs Officer, Economic Commission for Latin America and the Caribbean Mexico Office, 1974-1985. Consultant, Central Bank of Guatemala, 1973-1974.
Consultant, Permanent Secretariat of the General Treaty of Central American Integration, Guatemala, 1972. Professor, School of Pol & Social Sciences, Universidad Autdnoma de Mexico, 1968.