Michael Coppedge is Professor of Political Science at the University of Notre Dame and a Faculty Fellow of the Kellogg Institute for International Studies, where he co-leads the Democratization Theory Research Cluster. He is also one of the principal investigators of the Varieties of Democracy project, which has produced new measures of hundreds of aspects of democracy and governance for nearly all countries since 1900. He is the author of Democratization and Research Methods (Cambridge University Press, 2012); Strong Parties and Lame Ducks: Presidential Partyarchy and Factionalism in Venezuela (Stanford University Press, 1994); co-author of Varieties of Democracy: Measuring Two Centuries of Political Change (Cambridge University Press, 2020); and dozens of articles and chapters on democratization, research methods, and Latin American political parties and elections. His current research projects cover the nature, causes, and consequences of democracy, especially democracy measurement and the diffusion of democracy.