Rogelio Marcial Member of the National System of Researchers, Level 2. Doctor in Social Sciences from El Colegio de Jalisco. Professor-Researcher of the Department of Social Communication Studies of the University Center for Social Sciences and Humanities, University of Guadalajara. Works on the issues of Youth Cultures, Social Violence and Cultural Expressions of Sexual Diversity in the metropolitan area of Guadalajara. Professor in undergraduate and graduate programs at the University of Guadalajara. He has been a Guest Professor at the University of Calgari (Canada), at the University of Girona (Catalonia, Spain), at the University of Illinois at Chicago (United States), at the Federal University of Rio de Janeiro (Brazil) and at the University of Chile (Chile).