Born at La Plata, Buenos Aires Province, he was elected president of the students' union of the University of La Plata in 1958. Very much related with the labor movement (in Argentina and Latin America), Julio Godio was an official of ILO-ACTRAV, and worked actively with the Friedrich Ebert Seitung, ICFTU-ORIT, IMF, BWI, UNI, etc. He wrote important books and publications about the labor movement, among them: The Tragic Week, History of the Argentine Labor Movement (1878–2000), History of the Latin American Labor Movement, The MERCOSUR, The workers and the FTAA, etc.