Dr David Madden is Associate Professor in Sociology and Co-Director of the Cities Programme at the London School of Economics. His researches housing, urban theory and urban politics, with a particular focus on New York City and London. He is co-author, with Peter Marcuse, of In Defense of Housing: The politics of crisis, which has been translated into six languages. His writing has appeared in leading urban sociology journals as well as the Washington Post, the Guardian, and Jacobin. He is on the editorial board of the journal CITY: Analysis of urban change, theory, action. David holds a PhD from Columbia University.