Keith Breen’s research areas are political and social theory, his focus being questions of political ethics and philosophies of work and economic organization.

He has published widely in peer-reviewed journals and is the author of Under Weber’s Shadow: Modernity, Subjectivity and Politics in Habermas, Arendt and MacIntyre (2012) and co-editor of After the Nation? Critical Reflections on Nationalism and Postnationalism (2010), Philosophy and Political Engagement: Reflection in the Public Sphere (2016), and Freedom and Domination: Exploring Republican Freedom (2018).