Invited talks and presentations

“Sowing the Seeds of Hate: How Electoral Misinformation Fueled Intolerance in Brazil's 2022 Election.” Keynote, Political Studies Association Media and Politics Group Annual Conference, Birmingham, UK, January 8–9, 2025.

“More Than Texts: The Role of WhatsApp Group Tie Size and Use in Explaining Misinformation.” ICT Panel on Information Integrity, Brazilian Network Information Center (Nic.br), online, October 21, 2024.
“Dimensions of Online Toxicity: The Presence and Prevalence of Uncivil and Intolerant Discourse on Twitter.” Center for Journalism, Media and Democracy, University of Washington, online, May 1, 2024.

“Elections in Times of Democratic Decay: The Role of Ideology, Media Use, and Misinformation in Understanding Trust in Elections and Institutions in the 2022 Brazil Presidential Election.” Department of Political Science, University of Barcelona, Spain, October 5, 2023.
“Is Disinformation to Blame for Democratic Backsliding? Investigating the 2022 Presidential Election in Brazil.” Invited public lecture, Department of Media Studies and Journalism, Masaryk University, Czech Republic, May 3, 2023.
“Beyond the ‘Swear Police’: Developing Multilabel Classifiers to Identify Uncivil and Intolerant Discourse on Twitter.” Digital Hate Seminar Series, University of Vienna, online, April 17, 2023.
“Is Disinformation to Blame for Democratic Backsliding? Investigating the 2022 Presidential Election in Brazil.” Center for Multidisciplinary Studies on Racism, Uppsala University, Sweden, April 4, 2023.

“Discussions that Divide: Selective Avoidance and Uncivil Conversations on Facebook and WhatsApp.” Politics in Contested Times Seminar Series, University of Edinburgh, UK, November 23, 2022.
“Emotions and (in)civility in political conversations.” DDC Conversations Webinar, Digital Democracy Centre, University of Southern Denmark, September 8, 2022.

“Predictors of Disinformation About COVID-19 in Brazil: Digital Media, (lack of) Institutional Trust and Polarization.” Research Center in Political Communication and Public Health (CPS), Federal University of Brasília, Brazil, October 1, 2021.
“Information and Disinformation about COVID-19 in Brazil.” Opening Lecture, Advanced Program in Public Communication, ABCPública & ABERJE, May 15, 2021.
“Defining and Measuring Toxic Discourse Online.” Centre for Digital Humanities and Social Science Research Seminar Series, University of Liverpool, online, April 21, 2021.
“Block. Unfriend. Quit: Selective Avoidance, Social Sanctions, and Political Discussion on Facebook and WhatsApp.” School of the Arts Public Lecture Series, University of Liverpool, online, March 17, 2021.

“From Tone to Substance: Towards a Nuanced Approach to Toxic Discourse Online.” Research on Online Political Hostility Conference, Aarhus, Denmark, January 23–24, 2020.
“Beyond Deliberative Norms in Online Political Talk: The Role of Incivility and Intolerance.” Digital Society International Summer School, University of Duisburg-Essen, Germany, July 15, 2019.
“It’s Not Deliberation (and That’s OK!): Disentangling Incivility and Intolerance in Online Political Talk.” Communication Arts & Sciences Colloquium, Penn State University, USA, October 19, 2017.
“Social Media and the Internet of Things.” iSchool Graduate Seminar, Syracuse University, USA, September 30, 2017.