1. Facultad de Comunicación y Lenguaje, Pontificia Universidad Javeriana, Bogotá, Colombia
2. Adjunct Lecturer, Center for Latin American Studies, Edmund A. Walsh School of Foreign Service, Washington, District of Columbia, USA
3. Adjunct Lecturer, Department of Anthropology, Georgetown University, Washington, District of Columbia, USA
4. William J. Perry Center for Hemispheric Defense Studies, Washington, District of Columbia, USA