A pro-democracy activist in Chile, he worked for the Committee Against Impunity, campaigning for the military personnel that had committed human rights violations to be brought to justice. He also worked on the Human Rights Education Team of Amnesty International in Chile. He is currently part of the Observatorio por el Cierre de la Escuela de las Américas en Chile (Observatory for the Closure of the School of the Americas in Chile) and Latin America coordinator for the School of the Americas Watch (SOAW).