Philosopher, art theoretician, lives in Vienna. Lecturer at the University of Klagenfurt and the University of Luneburg. Codirector of eipcp (European Institute for Progressive Cultural Policies), Vienna. Coordinator of the transnational research project republicart, member of EFAH (European Forum for the Arts and Heritage), Bruxelles, and editor of the periodical Kulturrisse. Author of several books and essays on art theory, political aesthetics, cultural politics and politics of difference.