He holds a cotutelle PhD in Sociology (University of Barcelona) and Philosophy (University of Groningen), with a thesis titled Reframing Expressive Freedom: Free Speech Libertarianism, Republicanism and the Political Economy of Communication (July 2024). It has won the Sir Ernest Barker Prize 2025 (Political Studies Association, UK) and the Leo Strauss Award 2025 (American Political Science Association).

David is postdoctoral fellow at CAIS – Center for Advanced Internet Studies (Germany), and works at the intersection between the sociology of communication, intellectual history and political theory. His research revolves around the history and theory of expressive liberties in modern Western societies (free speech, religious toleration, freedom of thought…), paying particular attention to how the distribution of material and symbolic communication resources contributes to, or prevents, the realization of such expressive ideals. He is member of the editorial board of Sin Permiso.

Contact: david.guerrero@ub.edu; @david-guerrero.bsky.social
Further information: ORCID; ResearchGate

Featured publications

Guerrero, D. (2024). ‘You are a bad boy to keep sending me pretty books’: Harold Laski, Justice Holmes, and the origins of free speech as a ‘marketplace of ideas’, Intellectual History Review, 35(2): 227-246.

Guerrero, D., (2024). Structural domination, neorepublicanism and the return of liberal state overreach, Journal of Political Power, 17(2): 188-207.

Guerrero, D. (2024). Contracultura y economía política de la comunicación. Res Publica. Revista de Historia de las Ideas Políticas, 27(2): 133-143.

Guerrero, D. and Pérez-Fernández, A. (2024). Rosa Luxemburg as a Republican Agitator: Shaping Social Democracy in Imperial Germany. In F. Jacob (ed.), Rosa Luxemburg: Periphery and Perception, Büchner, 207-239

Guerrero, D. and Martínez-Cava, J. (2022). Between tyranny and self-interest: Why neorepublicanism disregards natural rights. Theoria. A Journal of Social and Political Theory, 69(171): 140-171.