About Us

The Expanding Engagement Lab uses social science to help broaden democratic participation in the US. Our team of political scientists, economists, and data scientists are committed to conducting rigorous research about political participation and empowerment.

  • Dr. Hannah Walker

    Dr. Hannah Walker (PhD University of Washington) is an assistant professor of Government at the University of Texas at Austin. Her research examines the impact of the criminal justice system on American democracy with special attention to minority and immigrant communities. Her book, Mobilized by Injustice, explores the impact of experiences with the criminal justice system on political engagement, with particular interest in the conditions under which people decide to contest punitive policies in the United States.

  • Dr. Allison P. Harris

    Allison P. Harris is an assistant professor of political science at Yale University. Her research interests are in American politics with a focus on judicial politics, the criminal legal system, state politics, and inequality. Dr. Harris’s current research program examines how institutional context affects inequality in institutional outcomes, with a specific focus on racial diversity among public officials and racial disparities in criminal legal outcomes.

  • Dr. Ariel White

    Ariel White is the Silverman (1968) Family Career Development Associate Professor of Political Science at MIT. She studies voting and voting rights, race, the criminal legal system, and bureaucratic behavior, often using large datasets or experiments to shed light on people's everyday interactions with government. Dr. White's recent work investigates how potential voters react to experiences with punitive government policies, such as incarceration and immigration enforcement.

  • photo of Tyler Ludwig in a suit in an outdoor setting

    Dr. Tyler Ludwig

    Tyler Ludwig is a postdoctoral fellow at the University of Texas at Austin. His research is centered on local issues and policies, with interests in criminal justice, finance, and urban economics. Tyler did his doctoral studies in Economics at the University of Virginia.

  • Elyse Hatch-Rivera

    Elyse is a graduate student at University of Texas at Austin. Her research focuses on the intersection of Latinx Politics and the criminal legal system, with special attention to quantifying borders and measuring their impact on Latinx political behavior, identity, and opinion.

  • Juliana Mothersbaugh

    Juliana Mothersbaugh is a Tobin Center & Institution for Social and Policy Studies pre-doctoral fellow at Yale University. Her research interests center how individuals contact, experience, and are affected by American civil and criminal legal institutions, as well as the role of legal institutions in reducing or expanding (in)equality and democracy more broadly.

  • Ning Soong

    Ning Soong is a Senior Research Support Associate at MIT. She works with the Americanist professors in the Political Science department.