Continuing Legal Education: Commercial Procedures, Chamber of Commerce of Bogotá, 1990. Author: "Obligations and Responsibilities of Trust Funds Managers and Brokers," Letras Juridicas, EEPM, Medellin, Colombia, 1999; "Creation of a New Company," Calidad y Excelencia Magazine, Sociedad Nacional de Industria, Lima, Peru, 1998; Several articles published in La Republica, one of the most well-known economic newspapers in Colombia, including "Monopolies," "Avoiding the Economic Crisis," "Debt Prepayment," "Spreads," "Banking Sector Risks," "Bankruptcy of the Mortgage System Users," "Family Owned Business Crisis," "Credit Ratings for Financial Institutions," and many others.