 Varnagy is also, since 2007, an academic member of the Canadian Defence Academy for the delivery of seminars on peacekeeping operations of the United Nations, which he also dictated with the Pearson Peacekeeping Center (Canada) between 2006 up to its closure in 2012.He has taught different courses at the master and doctorate level at several Argentine universities.Outside of Argentina, he taught courses and conferences in Ankara, Asunción, Bogotá, Budapest, Cobán (Guatemala), Cochabamba, Las Palmas (Spain), Lima, Ljubljana, Melbourne, Montevideo, Pec (Kosovo), Rio de Janeiro, New York, Santiago de Compostela, Santiago, Washington and Jakarta.