Associate Professor at the Pontifical Catholic University of Rio de Janeiro (PUC-Rio). Visiting Professor at the Center for Latin American Studies at the University of Arizona. Associate Researcher at the National Institute of Science and Technology in Digital Democracy (INCT.DD). Dr. in International Relations, he was president (2017-2019) of the Brazilian Association of Researchers in Communication and Politics (COMPOLÍTICA) and is an associate member of the World Association for Public Opinion Research (WAPOR).