Dr Saulo Cwerner studied social sciences at the University of Sao Paulo, Brazil, international relations at the University of Leeds and cultural studies at Lancaster University before obtaining a PhD in sociology at Lancaster University. He worked at the Centre for Urban and Community Research, Goldsmiths College, and Lancaster University before joining the Centre for Mobilities Research at Lancaster University. Dr Cwerner researched and published several articles in the fields of migration and refugee studies before conducting research on mobility, air travel and urban life. He is now developing further research on aviation and society from the perspective of mobility studies, with an emphasis on the environment and the politics of aviation. Dr. Sven Kesselring is member of the TUM Transportation Centre in Munich, Germany, and the director of research of the mobil.TUM project, which is part of the Institute for Advanced Studies of the Technische Universitat Munchen. In 2008 he was a visiting professor for sociological theory at the University of Kassel. He holds a PhD from the Ludwig Maximilians Universitat Munchen. Recently he received a grant from the Erich-Becker-Stiftung (Frankfurt Airport Foundation) for his work on airports and globalization. John Urry is Distinguished Professor of Sociology at Lancaster University, UK, where he is Director of the Centre for Mobilities Research. His recent books include Sociology Beyond Societies (Routledge, 2000), Global Complexity (Polity, 2003), Tourism Mobilities (edited with Mimi Sheller, 2004), Mobile Technologies of the City (with Mimi Sheller, 2006) and Mobilities (Polity, 2007). He is currently co-writing After the Car (Polity) and co-editing Aeromobilities (Routledge). He edits the International Library of Sociology and the journal Mobilities.