He received his Ph.D. from Princeton University and his B.A. from Hamilton College. He works on comparative European politics. He is the author of The Media and the Far Right in Western Europe (Cambridge University Press 2010) and The European Commission and Bureaucratic Autonomy (Cambridge University Press 2012, with Ezra Suleiman). His work has appeared in Comparative Politics, West European Politics, the Journal of European Public Policy and the Journal of Common Market Studies, Party Politics, South European Society and Politics and Acta Politica, among others.