ASSOCIATE PROFESSOR
I study how journalism, digital media, AI, sustainability and strategic communication shape public trust, democratic dialogue and social change.
How automation, AI and digital platforms are reshaping journalistic work and newsrooms.
Differences in media use and trust between generations.
Collection, verification, cross-checking and authentication of information from official and unofficial sources.
The role of participatory media in surfacing social, environmental and economic issues and empowering local communities.
How the media frame issues of public interest and shape public discourse.
Current Research
A four-day intensive programme in Kozani, designed for journalists and communicators working on sustainability, environmental journalism and reporting on the green transition.
Learn moreChristides, G. & Kostarella, I. (2026). The Pylos Shipwreck: The Anatomy of a Journalistic Investigation (forthcoming). Media and Migration in Southeastern Europe (Pleios, Kostarella, Kalfeli & Tramountanis, Eds.), Routledge.
Pleios, G., Kostarella, I., Kalfeli, N. & Tramountanis, A. (Eds.) (2026). Media and Migration in Southeastern Europe: Shaping Narratives and Policies (forthcoming, Aug 18, 2026). Routledge Research in Journalism Series, London.
Κωσταρέλλα, Ι. & Ματσιώλα, Μ. (2026). Journalism in the Digital Age: Challenges and Transformations (forthcoming). Disigma Publications.
Baltzi, T., Nikitaki, S., Galatsopoulou, F., Kostarella, I., Veglis, A., Vasilopoulos, V., Papaevagelou, D. & Skamnakis, A. (2025). MediaWatchers4Climate: Assessing the Accuracy of Climate Change Narratives in Greek Media Through Machine Learning. Machine Learning and Knowledge Extraction, 7(2), 53. https://doi.org/10.3390/make7020053