Professor at Binghampton University's Art History Department and editor of Grey Room magazine. He studied art history at New York University's Institute of Fine Arts where he received his doctorate in 1998. He has contributed to the following journals and magazines: Art in America, Leonardo, October, Text zur Kunst; edited Guy Debord and the Situationist International: Texts and Documents (Cambridge, Mass. and London: The MIT Press, Coll. "OCTOBER Books", 2002), and edited ###em/em###? Gender, Public Space and Visual Culture in Nineteenth-Century Paris (Manchester: Manchester University Press, Coll. "Critical Perspectives in Art History", 2006) with Aruna D'Souza.