Author, Anti-competitive practices by private undertakings in ANCOM and MERCOSUR: an analysis from the perspective of EC law, 47 International & Comparative Law Quarterly (1998) 149 - 173. Author, Intellectual Property And Rules On Free Movement: A Contradiction In The Andean Community (Ancom), Vol. IV No. 4 NAFTA: Law Review of the Americas (Autumn 1998) 125 - 136. Co-author, Doing Business in Colombia by Cavelier Abogados, Atlanta, Juris Publishing, Inc., 1999. Author, Antitrust in Colombia: New Rules for the Authorisation of Restrictive Trade Practices, The International Business Lawyer, March 2000. Author, Competition Law of Latin America and the European Union: A Comparison and Analysis, New York, Juris Publishing, Inc., 2001. Author, Correspondent for Colombia for the Antitrust & Trade Bulletin of the International Bar Association (IBA) (2002 to date). Author, Colombia Chapter, The International Comparative Legal Guide to Merger Control 2005, 2006 (London). Co-Author, Colombian Chapter, Corporate Governance 2005, Getting the Deal Through. Co-Author, Colombian Chapter, Gas Regulation & Electricity Regulation, Getting the Deal Through, 2008, 2009 and 2010. Co-Author, with Luis Fernando Macías, "Mergers must meet environmental requirements in Colombia", Mining & Energy Law Journal, Bogotá, Universidad Externado de Colombia, June 2010. Lecturer, Pontificia Universidad Javeriana, Bogotá, 2010—. Member, Research Group, Mining Oil and Energy Law, Law Faculty, Universidad Externado de Colombia, 2010—. Certificate: Diploma in Tax Law, Pontificia Universidad Javeriana, Bogotá Government-approved translator, Colombian Foreign Affairs Ministry.