Genevieve Giuliano, PhD, is the Margaret and John Ferraro Chair in Effective Local Government in the Sol Price School of Public Policy, University of Southern California (USC), and Director of the METRANS Transportation Center, a joint partnership of USC and California State University Long Beach. Her research and over 170 publications focus on relationships between land use and transportation; transportation policy analysis; and information technology applications in transportation. Dr. Giuliano is a past Chair of the Executive Committee of the Transportation Research Board (TRB), within the National Academies of Sciences, Engineering, and Medicine, and of the Council of University Transportation Centers (CUTC). She is a recipient of honors including the Thomas B. Deen Distinguished Lectureship Award from the TRB, the Distinguished Transportation Researcher Award from the Transportation Research Forum, and the Distinguished Contribution to University Transportation and Research Award from the CUTC. She is a frequent participant in National Research Council policy studies and a member of several advisory boards, including the National Freight Advisory Committee.

Susan Hanson, PhD, is Distinguished University Professor Emerita in the Graduate School of Geography at Clark University. She is an urban geographer with longstanding interests in gender and economy, the geography of everyday life, and sustainability. Dr. Hanson has been editor of Urban Geography, Economic Geography, the Annals of the Association of American Geographers, and The Professional Geographer. She currently serves on the editorial board of the Proceedings of the National Academy of Sciences and is Division Chair for the Transportation Research Board, within the National Academies of Sciences, Engineering, and Medicine. Dr. Hanson is a member of the National Academy of Sciences, a Fellow of the American Association for the Advancement of Science and of the American Academy of Arts and Sciences, and a past president of the Association of American Geographers.