Walter Quattrociocchi is Full Professor at Sapienza University of Rome, leading the Center of Data Science and Complexity for Society (CDCS). His research interests encompass data science, network science, cognitive science, and data-driven modeling of dynamic processes in complex networks. Professor Quattrociocchi has an extensive publication record in peer-reviewed conferences and journals, including Nature and PNAS. His research on misinformation spreading has informed the Global Risk Report 2016 and 2017 of the World Economic Forum. International media have extensively covered his work, including Scientific American, New Scientist, The Economist, The Guardian, New York Times, Washington Post, Bloomberg, Fortune, Poynter, and The Atlantic.

He has published three books: “Misinformation. Guida alla società dell’informazione e della credulità” (Franco Angeli), “Liberi di Crederci. Informazione, Internet e Post Verità” (Codice Edizioni), and “Polarizzazioni: Informazioni, Opinioni e altri demoni dell’infosfera” (Franco Angeli).

In 2017, Professor Quattrociocchi coordinated the round table on Fake News and the role of Universities and Research in countering fake news, chaired by the President of Italy's Chamber of Deputies, Mrs. Laura Boldrini. In 2018, he served as the scientific advisor to the Italian Communication Authority (AGCOM), and in 2020, he was a member of the Task Force to Counter Hate Speech, appointed by the Minister of Innovation. He has recently been one of the Principal Investigators of the IRIS research coalition (UK/G7) focused on combating misinformation about vaccine hesitancy and climate change.

In 2023, the US State Department appointed him to the International Visitor Leadership Program (IVLP) on the topic of Data-Driven Policies.
Professor Quattrociocchi is regularly invited to deliver keynote speeches and guest lectures at major academic institutions and other organizations.