Charles C. Ragin spent most of his youth in Texas and the southeastern United States. He attended the University of Texas at Austin as an undergraduate and received his BA degree in 1972 at the age of 19. That same year he began graduate work in sociology at the University of North Carolina at Chapel Hill and received his PhD in 1975. From 1975 until 2001, he lived in the Midwest, teaching first at Indiana University and then at Northwestern University. He headed west in 2001, where he spent just over a decade at University of Arizona-Tucson. In 2012, he joined the faculty at the University of California-Irvine, where he is currently the Chancellor′s Professor of Sociology. He is best known for developing a methodological alternative to conventional research methods, using formal set-theoretic techniques for comparative research. His many publications address broad issues in politics and society, with topics ranging from the causes of ethnic political mobilization to the shaping of the welfare state in advanced capitalist countries. He has written several books including Intersectional Inequality: Race, Class, Test Scores and Poverty (with Peer Fiss, 2017). Redesigning Social Inquiry: Fuzzy Sets and Beyond (2008) Fuzzy-Set Social Science (2000). His book The Comparative Method: Moving Beyond Qualitative and Quantitative Strategies (1987) won the 1989 Stein Rokkan Prize of the International Social Science Council of UNESCO. In 2014 he received the Paul F. Lazarsfeld Award of the American Sociological Association. He is married to Mary Driscoll, and they have two sons, Andrew and Daniel.

Lisa M. Amoroso spent her childhood in Pittsburgh and the suburbs of Chicago. She attended Northwestern University for her BA in economics and mathematical methods in the social sciences. After working in software development and management systems, she returned to Northwestern and the Kellogg School of Management, where she completed her PhD in a joint program in sociology and organization behavior in 2003. Since leading her first seminar at Northwestern in 1997, she has been teaching in the Midwest—at Northwestern, Beloit College, Roosevelt University, and currently Dominican University in River Forest, Illinois. Research methods and quantitative analysis are among her favorite courses to teach. In 2010, she joined Dominican’s Brennan School of Business where she is a Professor of Management. She received Excellence in Teaching awards at Roosevelt in 2007 and at the Brennan School of Business in 2016. Although her primary focus is teaching, she publishes research on diversity education, social identity, status hierarchies, and student learning. She has published in variety of journals including Psychological Inquiry and Journal of Management Education. She is married to Phil Tracy, and they have two children, Nate and Carmen.