WILLIAM A. V. CLARK Professor of Geography, University of Los AngelesJÜRGEN FRIEDRICHS Professor of Sociology and Director of the Institute of Sociological Research, University of CologneCHRIS HAMNETT Professor of Geography, Kings' College, University of LondonDAVID R. HOWELL Professor of Economics, New School for Social Research, New YorkCONNIE HUM Undergraduate Student, University of California, Los AngelesREBECCA KIM Graduate Student in Sociology, University of California, Los AngelesIVAN LIGHT Professor of Sociology, University of California, Los AngelesSUZANNE MODEL Professor, Social and Demographic Research Institute, University of MassachusettsELIZABETH J. MUELLER Associate Professor of Economics, New School for Social Research, New YorkJEFFREY G. REITZ Robert F. Harney Professor of Ethnic, Immigration and Pluralism Studies, University of TorontoALISDAIR ROGERS School of Geography, Oxford UniversityLOIC WACQUANT Professor of Sociology, University of California, BerkeleyROGER WALDINGER Professor of Chair, Department of Sociology, University of California, Los Angeles