He is also Director of Kieskompas, which develops Voting Advice Applications, including one developed especially for the upcoming Knesset elections (see www.electioncompass.org) His research focuses on the transformation of political parties and party systems in European democracies and the rise (and fall) of new political parties and political ‘entrepreneurs’, from both political and sociological neo-institutional perspective. His most recent book is Party Transformations in European democracies. (SUNY Press, 2012).