Cas Mudde is the Stanley Wade Shelton UGAF Professor in the School of Public and International Affairs (SPIA) at the University of Georgia (USA) and Professor II at the Center for Research on Extremism (C-REX) at the University of Oslo (Norway). His book Populist Radical Right Parties in Europe (Cambridge University Press, 2007) won the Stein Rokkan Award for Comparative Social Science Research in 2008. His recent books include (with Cristóbal Rovira Kaltwasser) Populism: A Very Short Introduction (Oxford University Press, 2017), which has so far been translated into almost 20 languages, The Far Right Today (Polity, 2019), which has almost 10 forthcoming translations, and (with Sivan Hirsch-Hoefler) The Israeli Settler Movement: Assessing and Explaining Social Movement Success (Cambridge University Press, forthcoming in 2021). He is a columnist for GuardianUS, a regular contributor to VoxEurope, and host of the podcast RADIKAAL. He tweets at @casmudde.