He received his PhD in Geography from UCLA in 1997, and was an Assistant and Associate Professor at Dartmouth College from 1998 to 2006. He has published articles on identity, race and ethnicity, and political representation in Urban Geography, Political Geography, Social and Cultural Geography, the Proceedings of the National Academy of Sciences and the Annals of the Association of American Geographers. His current research interests include the impacts of GIS technology on political redistricting and representation.