Caesar Castellvi

César Castellvi is a Lecturer in Japanese studies at the University of Paris Cité (CRCAO UMR 8155) with a doctorate from the EHESS. His research focuses on Japanese media systems, digital technology impacts on journalism, and public space transformations. He is an associate researcher at the French Institute for Japan Studies (FFJ) within Axis 1, contributing to studies on capitalisms and institutional changes.

Education: PhD in Sociology from EHESS (2018). Key research themes include media economics, journalistic labor practices, and political polarization effects in Japan. He has authored major works like A Sociology of Journalism in Japan (2024) and The Last Empire of the Press (2022). His work analyzes news production shifts, digital monopolies (e.g., Yahoo Japan), and post-disaster reporting (Fukushima).

Publications span books, journal articles, and conference presentations addressing media organizations, gender dynamics in newsrooms, and comparative labor studies. Collaborations include the FFJ's INCAS research program (2015-2019) and reports on Asian labor formalization. He teaches courses on media sociology, research methodology, and Japanese grammar at undergraduate and graduate levels.