Studied History and Sociology at Haifa University and has a PhD in Sociology at University of Manchester. Former Sociology professor at Universidad Federal de Río de Janeiro, professor at various european and american universities. Author of 30 books in different languages on the topics of social theory, Latin America, democracy and judaism. Some of his latest books are “¿En qué mundo vivimos?”, “El desafío Latinoamericano” (co-authores with Danilo Martuccelli), “La democracia inesperada” and “Judaísmo para todos”. He directs the Centro Edelstein de Investigaciones Sociales y de Plataforma Democrática.