Member of the National System of Researchers (SNI), Level I, July 1995 to date. - From October 15, 1972 to date: Full time researcher in the Direction of Ethnology and Social Anthropology of the I.N.A.H. Current Situation: Associate Researcher Professor "C". - Recent collective research projects: -Coordinator of the Collective Research Project: "The Historical Conformation of the Northern Border: of the Camino Real de Tierra Adentro and the Migratory Corridors to the Economic Corridors and the Superautopista of the Free Trade Agreement of America North (NAFTA) ". First phase: 2011-2012. Second phase: 2013-2014. Third phase: 2015-2016.- General Coordinator of the Collective Research Project: Geostrategic Plans and displacements and forced migrations in the area of ​​the "Integration and Development Project of Mesoamerica" ​​(First phase: January 2009-December 2010, Second phase: January 2014-December 2016). In the third phase (2016-2020) the project will change its name to "Global spaces for the expansion of transnational capital: the US-Mexico border; Mesoamerica Project; Amazon; and, South-Patagonian Andean. "- Co-coordinator (jointly with Dr. Raquel Álvarez, Director of the Center for Border and Integration Studies, University of Los Andes-Táchira, Venezuela) of the Program / Collective Research Project on" Regional Integration, Borders and Globalization in Latin America and the Caribbean ". (January 1998 to date). Specific projects: a) "The border regions of Mexico and the United States, spaces for the expansion of transnational capitalism" (Start of the first phase: January 2011 - term: December 2012. Second phase: January 2013-December 2014, third phase: January 2015 -December 2016). b) "Regional Securitization in the area of ​​the Mesoamerica Project", within the collective project Geostrategic Plans and displacements and forced migration in the area of ​​the "Mesoamerica Integration and Development Project" (First phase: January 2009-December 2010; Second phase: January 2014-December 2016). c) "The securitization of international migration and borders within the framework of the Alliance for Security and Prosperity of North America (SPP)" (Start: January 2007 - term: December 2008). d) "The Free Trade Area of ​​the Americas (FTAA) and the new hemispheric regional security" (Beginning: July 2003 - term: December 2006). e) "Regionalization of US immigration policies and behavior of cross-border labor flows in the American Continent." (Beginning: July 2001 - Term: June 2003). f) "Regional integration, borders and globalization: A comparative analysis of Mexico, Central America, Venezuela and Colombia" (Beginning: 2000 - term: June 2001). - Project Member (PAPPIT) "Labor market, conditions of the productive structure in the United States, their needs for migrant labor force and the impact on new migratory destinations, possibilities for integration of migrants", coordinated by Dr. Ana María Aragonés of the Faculty of Superior Studies-Acatlán of the UNAM. Theme of the specific project: "Migrant workers from Mexico, Central America and the Caribbean, international labor reserve of North American capitalism within the framework of the Alliance for Security and Prosperity of North America". April 2008-April 2010. - Project Member (PAPPIT) "Causes of migration in Mexico in the context of globalization. Trends and perspectives for the new century ", coordinated by Dra. Ana María Aragonés of the Faculty of Superior Studies-Acatlán of the UNAM. Theme of the specific project: "Labor migration, north and south borders and security perimeter in the framework of NAFTA-Plus". August 2005-August 2007. - Academic stay at the Wolfgang Goethe University in Frankfurt, Germany, from July to September 2000 to carry out a comparative analysis of the borders of Germany-Poland and Mexico-United States, financed by the DAAD (Germany) and the INAH.