He is the author of Democracy and the Politics of the Extraordinary: Weber, Schmitt, Arendt (Cambridge University Press 2008) and the co-author of Liberal Beginnings: Making a Democracy for the Moderns (Cambridge University Press 2008). He is currently working on two book projects: one on the intersecting trajectories of dictatorship and tyranny in Western political theory and another on the constituent power and radical democratic politics. In 2009-2010, Kalyvas was a Laurance S. Rockefeller Visiting Fellow at Princeton University and currently he is a visiting research professor at the University of Barcelona, Spain.