EDITORSKhalid Bichou is the co-founder and Managing Associate of the Port Operations,Research and Technology Centre (PORTeC) at Imperial College London,where he manages a number of research and consultancy projects in port operations and maritime logistics, alongside his involvement with other projects in freight logistics, transport economics, supply-chain planning and operations strategy. Having graduated with a first class BSc in public economics and administration from the Ecole Nationale d'Administration (ENA), healso holds an MSc in port management (Distinction) from the World Maritime University (WMU), an MSc in international logistics (Distinction) from the University of Plymouth, and a DIC in transport operations from Imperial College London. He has a broad knowledge of the transport, infrastructure and logistics sector, in particular the port and maritime transport industry, with over 14 years' international experience in the industry, including periodsin senior positions and as a consultant and adviser to private operators,governments and international agencies. He is a Chartered Member of the Institute of Transport and Logistics, an Associate of the Institute of Management Consultancy, and a member of many other professional and academic associations in the field. He has published on a number of aspects of port operations, maritime and transport logistics, and he is the author of several research and policy reports on the subject. His research interests span various aspects of port operations and freight logistics, in particular the association of ports with logistics operations and supply-chain management.Michael Bell is Professor of Transport Operations at Imperial College London. Having graduated in 1975 from Cambridge University with a BA in economics, he obtained an MSc in transport planning in 1976 and a PhD in 1981 (both from Leeds University). Between 1979 and 1982 he worked as a Research Associate at University College London, before moving to the Institut fur Verkehrswesen at the Technical University of Karlsruhe as an Alexander von Humboldt post-doctoral Research Fellow. He returned to the UK in 1984 as a New Blood lecturer at the University of Newcastle. In 1992 he became the deputy director of the Transport Operations Research Group (TORG), becoming its director in 1996. He was promoted to a Personal Readership in 1994 and to a Personal Chair in 1996. In January 2002, he moved to Imperial College London and in 2005 established the Port Operations Research and Technology Centre (PORTeC). His research and teaching interests have spanned travel demand forecasting, network modelling, trafficengineering and control, transport telematics and, and most recently, port operations and logistics. Recent projects include multi-objective traffic signal control (for the Department for Transport), road network monitoring (a European Union project), a Swiss national traffic model (for ETH, Zurich), the impact of congestion charging in London (for John Lewis Partnership and Transport for London), robust and adaptive navigation for road vehicles (for BMW), congested transit assignment (for the Department of Transport), road network reliability and door-to-door transport for elderly and disabled people(Transport for London). His team currently consists of 11 research students and two research assistants.Andrew Evans has been Lloyd's Register Professor of Transport Risk Management at Imperial College London since January 2004, and was Professor of Transport Safety at University College London between 1991 and 2003. He is an economist and statistician by background and he regularly advises on safety risk assessment and on the economic appraisal of safety projects and regulations. His safety interests are in risk estimation, risk appraisal, the economics of safety and safety regulation. Andrew is a chartered statistician and Fellow of the Institute of Transport and Logistics.