His research focuses on community-based organizations, citizen participation, race relations, and urban inequality. He is the author of Doing Business in Minority Markets: Black and Korean Entrepreneurs in Chicago's Ethnic Beauty Aids Industry (Garland Publishing 2000)and the editor of Community-Based Organizations: The Intersection of Social Capital and Local Context in Contemporary Urban Society (Wayne State University Press 2004 - forthcoming). He is also the moderator for the Cyberhood website (http://www.thecyberhood.net).