Sergiu Gherghina is PhD Researcher at the Department of Political Science, University of Leiden, the Netherlands. His fields of interest are political parties, democratization, and legislative behavior. He authored and coordinated nine volumes on party politics, EU institutions and policies, political studies, and public opinion. He published several articles in international journals, being the managing editor of two international peer-reviewed journals (CEU Political Science Journal and Europolis) and publication director of the Centre for Political Analysis from Babeş-Bolyai University Cluj-Napoca.