Guillermo is and Agricultural and Natural Resource Economist from the Pontificia Universidad Católica de Chile and holds a Ph.D from the Department of Agricultural and Resource Economics, University of Maryland, College Park. Full Professor of Agricultural Economics Department and Water Law and Management Center of the Pontificia Universidad Católica de Chile. Has held the position of Dean of the Facultad de Agronomía e Ingeniería Forestal of the Pontificia Universidad Católica de Chile from 1998 to 2007 and National Director Instituto de Investigaciones Agropecuarias de Chile.