Susan Hanson is the Jan and Larry Landry University Professor and a Professor and Director of the School of Geography at Clark University. She is an urban geographer with teaching and research interests in gender and economy, the geography of everyday life, and sustainability. Dr. Hanson has been editor of three geography journals/m-/[i]Economic Geography[/i], the [i]Annals of the Association of American Geographers[/i], and [i]The Professional Geographer[/i]/m-/and serves on the editorial boards of several other journals. She is currently on the Executive Committee of the Transportation Research Board. Dr. Hanson also is a member of the National Academy of Sciences, a Fellow of the American Association for the Advancement of Science and the American Academy of Arts and Sciences, and past president of the Association of American Geographers.

Genevieve Giuliano is Professor in the School of Policy, Planning, and Development at the University of Southern California and Director of the METRANS Transportation Center. Her research interests center on transportation policy and on relationships between land use and transportation. Dr. Giuliano is a former editor of [i]Urban Studies[/i] and serves on the editorial boards of several journals. She is a former faculty fellow of the Lincoln Institute of Land Policy and a former member of the Executive Board of the Association of Collegiate Schools of Planning. Dr. Giuliano also is a member and past chair of the Executive Committee of the Transportation Research Board and is a National Associate of the National Academy of Sciences.