Claes H. de Vreese is Professor and Chair of Political Communication and Director of the Amsterdam School of Communication Research at the University of Amsterdam. He is the founding Director of the Center for Politics and Communication (www.polcomm.org) and Adjunct Professor of Political Science and Journalism at the University of Southern Denmark. His research interests include comparative journalism research, the effects of news, public opinion and European integration, effects of information and campaigning on elections, referendums, and direct democracy.