He contributes to several journals and has published more than 30 books about conflict in Latin America, global society and the ideological controversies that characterised the 20th century, among other philosophical and social scientific topics.
one of the most important figures in the "New School of Bremen" in sociology, constituted by Arno Peters, Carsten Stahmer, and the Cuban physicist Raimundo Franco.
Steffan's contributions represent one of the most relevant references to analyse the theoretical and practical implications of the Marxist anticapitalist leftist movements that followed the fall of the USSR.
Jahrhunderts), Steffan explains the theoretical basis of the new socialism, which finds its most practical application in the revolutionary process of Venezuela, and to a lesser extent in Bolivia and Ecuador.
The Marxist theoretician Alan Woods has written a whole book against his allegedly reformist positions, Reformism or Revolution - A Reply to Heinz Dieterich.