Alberto Hernandez Hernandez D. in Sociology from the Complutense University of Madrid. Professor-researcher of the Department of Public Administration Studies at El Colegio de la Frontera Norte, president of that institution from 2017 to 2022. Member of the National System of Researchers, level iii. He has been a professor in Colombia and Spain and a visiting researcher at the University of California, San Diego, and at the Instituto Universitario Ortega y Gasset, Spain. He is currently a visiting researcher at the Universidad de los Andes. Recent publications: Alberto Hernández and Amalia Campos-Delgado (coords.) (2022). Migration and mobility in the Americas. Buenos Aires and Mexico: Siglo xxi and clacsoAlberto Hernández, R. Cruz (coords.) (2021). Geographies of sex work in Latin America's frontiers. Tijuana: El Colegio de la Frontera Norte. Lines of research: Borders, international migration and cultural studies.