Ph.D candidate in History, M.A. in Latin American History from University of California at Berkeley and M.A. in Political Science from Universidad de los Andes. He is the director of the “Colombian observatory for integral development, citizen coexistence and institutional strengthening in regions strongly affected by the armed conflict”. Researcher of CINEP, where he has been general director and coordinator of research projects on the recent history of politics and violence in Colombia. He has been professor at several universities in Colombia and abroad.