Dr. Griffin focuses on demographic change and American political behavior.

He is the co-author of the “States of Change” project, a collaboration between PRRI, the Center for American Progress, the Brookings Institution, and the Bipartisan Policy Center. He also serves on the editorial board of the Democracy Fund’s Voter Study Group and the editorial committee of PS: Political Science and Politics, the journal of record for the American Political Science Association. His research has appeared in The New York TimesThe Washington PostThe New Yorker, The Economist, and NBC News, and has been featured on CNN and Meet the Press.

Before joining PRRI, he served as a Director of Quantitative Analysis at the Center for American Progress. He has taught courses on research methodology, statistics, public opinion, and political advocacy for The George Washington University, Pennsylvania State University, and Loyola University Chicago. He received his PhD in political science and research methodology from The George Washington University.