Daniel Wizenberg, Julian Varsavsky
Modesto Emilio Guerrero
Arturo Pérez Martínez
Amos Oz
John Reed
Evo Morales Ayma
Ignacio Ramonet, Noam Chomsky, Chantal Mouffe
Mario Rapoport
Aa.Vv.
Jorge Arguello
Osvaldo Rosales
Amartya Sen
Enzo Traverso
Cass R. Sunstein
Thomas Piketty
Branko Milanovic
Anthony B. Atkinson
Francois Bourguignon
Leandro Morgenfeld
Nicolás Trotta
Ricardo Forster, Emir Sader, Alvaro Garcia Linera
Lula Da Silva
Robert Service
Emilio Gentile
Michel Aglietta, Thomas Brand
Georges Couffignal
Ariel Goldstein
Martín Ramírez, Stefan Schmalz
Marcelo Gullo
Mercedes Saborido
Brieger Pedro