Between 2002 and 2004 Várnagy was the elected director of the Political Science career of the University of Buenos Aires Faculty of Social Sciences, where he was a university professor and chair of the subject Social and Political Theory II, and the adjunct of Social and Political Theory I. He also held the chair of Philosophy of Law at the National University of La Matanza (UNLaM). Previously he was, for 19 years, professor of seminars like Transition from Stalinism to Pluralism in Central Europe and The Soviet Model and its Application in Central Europe at the Political Science Department of the UBA. He has been a researcher, co-director and director of UBACyT and UNLaM research projects on communism, Soviet Union, Central and Eastern Europe, United Nations peacekeeping missions, the Kosovo conflict and political humor, among others.
