Mathematician from Universidad de los Andes (Bogotá). He has a Ph.D. and a M.S. in Applied Mathematics from the Instituto de Matemática Puras e Aplicadas in Rio de Janeiro (IMPA). He has been a Visiting Scholar at the University of California in Los Angeles, IMPA in Rio de Janeiro, Kellog at Northwestern University, and California Institute of Technology; a Visiting Researcher with the International Monetary Fund in Washington D.C., the Cowles Foundation for Economic Research in Yale University, and JP Morgan in New York; a consultant with the World Bank and the Inter-American Development Bank; and, for nine years (1996-2005), a researcher for the Vice presidency of Economic Studies of Banco de la República (Colombian central bank). His academic interests have revolved mainly around general equilibrium theory, auction theory, and formal models of philosophy of science. He has published his research in European Competition Law Review, Peace and Security Economics, Latin American Journal of Economics, Journal of Mathematical Economics, Journal of Monetary Economics, Advances in Theoretical Economics, and Topics in Theoretical Economics. He authored the textbook Métodos Matemáticos y Computacionales en Macroeconomía (Mathematical and Computational Methods in Macroeconomics) published by Ediciones UNIANDES, and, since the second semester of 2005, he is a Professor and researcher with the Department of Economics of Universidad de los Andes. Currently, he is an advisor at Center of Studies of Business and International Economics of Banco de la República and founding partner and director of Quantil.