Associate Professor of History and Director, Center for the Study of Race and Democracy, Tufts University.
Public Historian, African American Trail Project and the Du Bois Forum
Co-curator, We Who Believe In Freedom: Black Feminist DC,” the inaugural exhibition (2023) of the National Women’s History Museum.
Project Historian, Du Bois Freedom Center
Chief Historian, 10 Million Names Project
Author, Growing Up with the Country: Family, Race, and Nation after the Civil War and The Stories We Tell.