He has studies in Philosophy at the Faculty of Philosophy and Letters, National Autonomous University of Mexico. He was Professor at the Faculty of Economics, UNAM, from 1973 to 1980; in the National School of Anthropology and History, from 1977 to 1982; and a Masters in Social Anthropology from 1990-1994.He was Director of the Institute for Rural Development Studies Maya, AC, from 1983 to 2007. He is currently professor and researcher at UAM-Xochimilco, in the Bachelor of Sociology and Rural Development Graduate.In 2011, he received an honorary doctorate from the National University of Cordoba in Argentina.He is the author of about 30 books and nearly 300 newspaper articles, analysis and dissemination. Among his most recent books are: Hunger / Carnival. Two looks at the crisis of modernity (Mexico, UAM Xochimilco, 2013), Campesindios. Approaches to farmers in a colonized continent (Bolivia, CIDES-Universidad Mayor de San Andrés, 2010); Taking freedom. The dialectic in question (Mexico, Ithaca, 2010); Iron man. Social and natural capital limits (Mexico, DCSH, UAM-Xochimilco, 2008); Capital as a maze. Of ground rent income of life (Mexico, Ithaca and UACM, 2006)