Katerina Eva Matsa is the director of news and information research at Pew Research Center, where she specializes in news habits and attitudes in the U.S. and Europe. She is an expert on the impact of technology and politics on the news and information environment and the use of multiple methodologies, including survey methods, content analysis and computational science.

Matsa has authored various studies, including on local news, social media, news consumption, and political polarization and media habits. She regularly speaks with academic, commercial, non-profit, and government stakeholders in the North America and Europe. Katerina is fluent in both English and Greek and has provided commentary to NPR, the BBC, and the World Economic Forum. She did graduate work in the communications doctoral program at American University, holds an M.Sc. in Politics and Government in the European Union from the London School of Economics, an M.A. in Communication from Georgetown University, and a B.A. degree in Political Science from Panteion University in Athens, Greece.