I am an associate professor of Government and Public Policy at Cornell University. I study poverty, racial inequality, and public policy. I am Senior Associate Dean for Public Engagement at the Brooks School of Public Policy, co-director of the Cornell Center for Health Equity, co-director of the Politics of Race, Immigration, Class and Ethnicity (PRICE)​ initiative, and board chair of the Cornell Prison Education Program.

One of Vox's Future Perfect 50:"scientists, thinkers, scholars, writers, and activists building a more perfect future."