Candidate to the Nobel Prize in Economics and has followed agrarian matters in Colombia for many years. Professor Emeritus of Economics and Research at the University of Toronto, where he heads the program on Latin America and the Caribbean at the International Studies Center. He has published over 100 articles and has been editor and co-editor of numerous books on financial reform, poverty, economic reform and wealth distribution in Latin America. Member of the International Scientific Committee of the Observatory of Restitution and Regulation of Agrarian Property Rights.