Director and full-time researcher at the Regional Center for Multidisciplinary Research at the Morelos campus of the National Autonomous University of Mexico, UNAM. He holds a PhD in Sociology, a Master's degree in Demography, and a degree in Agricultural Engineering with a specialization in Rural Sociology. His research topics include Mexico-United States migration, migrant remittances, debates on the link between migration and development, the fiscal impact of remittances in Mexico, the migration of skilled human resources in Mexico and Latin America, return migration, migration policies, and Venezuelan migration in Latin America. He is a member of the National System of Researchers Level III.