Andreu Casero-Ripollés is Full Professor of Journalism and Political Communication at Universitat Jaume I de Castelló, Spain. He has been Dean of the Faculty of Humanities and Social Sciences and director of the Department of Communication Sciences. He is president of the Spanish Society of Journalism (SEP). He has been included by Stanford University within the 2% of the most cited scientists in the world in Scopus for his discipline.

Paulo Carlos López-López is Assistant Professor in the Department of Political Science and Sociology at Universidade de Santiago de Compostela, Spain. His lines of research are political communication, political behavior and emotions in social media.