Fidel Báez Senior Advisor Block Caving Universidad de Chile, Chile Fidel Báez Senior Advisor Block Caving Executive Director International Caving Engineering Diploma, member of Board Center of Innovation and Collaboration: Orica mining services, Senior Advisor Block Caving Lab: University of Chile and International Mining Consultor. Oscar Bustos Roberto González Head of Mine Geology CODELCO Paulo Laymen Principal Mining Advisor LOM Consultants Alvaro Lozada Walter Morales