Hahrie Han is the inaugural director of the SNF Agora Institute, a professor of political science, and faculty director of the P3 Research Lab at Johns Hopkins University. She specializes in the study of organizing, movements, civic engagement, and democracy. Her newest book will be published by the University of Chicago Press in May of 2021, entitled Prisms of the People: Power and Organizing in 21st Century America. She has previously published three books: How Organizations Develop Activists: Civic Associations and Leadership in the 21st Century (with Elizabeth McKenna and Michelle Oyakawa; Oxford University Press, 2014), Groundbreakers: How Obama's 2.2 Million Volunteers Transformed Campaigning in America (with Elizabeth McKenna; Oxford University Press, 2015), and Moved to Action: Motivation, Participation, and Inequality in American Politics (Stanford University Press, 2009). Her award-winning work has been published in the American Political Science Review, American Sociological Review, American Journal of Sociology, and numerous other outlets, including the New York Times, Washington Post, and elsewhere.