I am an associate professor in the Department of Sociology at the University of Chile. Sociologist, graduate of the Institut d'Etudes Politiques de Paris, Sciences Po (1994), Master in History and Civilization (1995) and doctorate in sociology (2002) from the Ecole des Hautes Etudes en Sciences Sociales in Paris, with a specialization in the Latin American area and especially Chile, where I live. I did my postdoctoral research in Chile and Bolivia. My research areas are social stratification, inequality, and especially middle classes. I led research projects as Fondecyt and joint projects such as Project Inequalities (www.desigualdades.cl, Aillo SOC 12), funded by CONICYT. I also have experience in university management: head of the graduate school of the Faculty of Social Sciences (2007-2008), head of the Doctorate in Social Science at Universidad de Chile (2009-2013) and head of the MECESUP UCHILE 1108 fund (Chilean Ministry of Education) for the same program (2012 -2014). Currently I work as a researcher in the network "Global trends in social in Europe and Latin America and exploring Inequalities innovative ways to reduce them through life, occupational and educational trajectories research to face uncertainty" (INCASI) H2020-MSCA-RISE-2015, Marie Sklodowska-Curie Research and Innovation Staff Exchange (RISE) and at the Centre for Conflict Studies and Social Cohesion (COES, www.coes.cl).