Chile. Doctor of Sociology from the University of Bielefeld, Germany. He is currently a Full Professor at the School of Government at Adolfo Ibáñez University and Director of the Center for Political and Social Theory at the same University. Among his most relevant publications are "Diferenciación y contingencia en América Latina" (Ediciones UAH 2010), "Die Moderne Lateinamerikas" (Transcript Verlag 2012), "Durch Luhmanns Brille" (with P. Birle and M. Dewey, Springer/VS Verlag 2012), "Niklas Luhmann y el legado universalista de su teoría" (with H. Cadenas and A. Urquiza, RIL 2012), and "Legitimization in World Society" (with K. Araujo, Ashgate 2013).