Professor of Political Science at CEU. Received MA and PhD in Political Science and MS in Survey Research Methodology from the University of Nebraska-Lincoln. Researches survey and quantitative methodology, and the psychology of radicalism and populism. Award-winning teacher of graduate courses in research design, applied statistics, comparative, American and electoral politics, political psychology and behavior. Was academic convenor of the European Consortium for Political Research Methods Schools and now runs MethodsNET.org. He heads Team Survey in Team Populism, member of the European Social Survey Round 10 democracy and COVID19 module questionnaire design teams and co-PI for Hungary and Tunisia at Comparative Study of Election Systems. Published in The Journal of Politics, Political Analysis, Political Psychology and Social Justice Research for which he received the 2017 Morton Deutsch Award for best article. Books include Multilevel Structural Equation Modeling, Contemporary US Populism in Comparative Perspective, and The Ideational Approach to Populism.