Regional Project(s) Coord, Latin American Section, International Atomic Energy Agency. Director General, Instituto de Asuntos Nucleares, Colombia, 1974-1988. Adjunct Professor, Engineering School, Universidad de Los Andes, Colombia, 1974-1988.
Adjunct Professor, Engineering School, Universidad Javeriana, Colombia, 1985-1988. Private consultant, Colombia, 1974-1988. Treasurer, Corporation Internacional para el Desarrollo Educativo, Colombia, 1979-1988.
Member, Board of Director, Colombia Society of Renewable Energy Resources, 1979-1988. Member, Consultative Committee(s) of the InterAmer Nuclear Energy Commission, Organization of American States, 1981-1986.