Screenwriter and Film Director. He started in film as assistant to Chilean director Patricio Guzmán. In 1972 he began writing and directing the feature documentary "Los Puños Frente al Cañón". In 1974 he went into exile in Mexico and settled in West Berlin, where he lived until 1995. There he spent most of his professional career, where, in addition to teaching, he wrote screenplays, specialized in film dramaturgy and made documentaries for German television. In 1986 he was selected for the first Berlin screenplay workshop with the comedy "The Children of Mickey Mouse". In 1994 the original script "La Mirada desde el Circo" is selected for the SOURCES Screenwriting Workshop of the MEDIA-Program of the European Community. The German version of the comedy "Los Hijos del Ratón Mickey" was premiered in Germany in 1996 under the title "Irren ist Männlich".

In 1995 he returned to Chile and years later he made the documentary "Chile, la herida Abierta", about Pinochet in London, for the French-German channel ARTE. In 2001 he wrote and directed the feature film "Taxi para Tres" ("A cab for three") with which he achieved great public and critical success for Chilean cinema, winning 30 awards both in Chile and abroad, the most important being the Golden Shell for best film at the San Sebastian Film Festival in Spain in 2001. In 2011 he shot the original feature film "Cirqo" which entered post-production in 2012.

He has been a jury member at the Guadalajara International Film Festival in Mexico, at the Gramado International Film Festival in Brazil, at the Latin American Film Festival in Havana.

He has taught at the Film School of the University of Mexico (CUEC), at the Free University of Berlin, at the Film School of San Antonio de los Baños (EICTV) in Cuba, at the Film School of Chile, at the University of Santiago de Chile and since 2006 he has been a professor at the Film and Television School of the University of Chile, being its director between 2008 and 2010. At ICEI, he currently teaches the courses "Script I", "Film Appreciation", "Idea Workshop and Script Development" and is part of the academic staff of the Postgraduate Diploma in Film Screenwriting.