Previšić is an assistant professor at the University of Zagreb's Faculty of Humanities and Social Sciences.
In 2011 he took the post-graduate study of the Modern and Contemporary Croatian History in European and World Context.
[1] In 2019 Previšić published 'Povijest Golog otoka', a widely critically acclaimed and award-winning book.
He was engaged as an expert advisor and author of the narratives for the documentary film 'Goli Otok' (Bare Island), made in 2012 in co-production of the Croatian National Archive and ART DE FACTO.
He collected an abundance of new information in his many interviews with contemporary witnesses, including a large number of the survivors of the labor camps in Yugoslavia.