David Watling is a centenary professor of transport analysis for the Institute for Transport Studies, at the University of Leeds, Leeds, UK. He is an internationally recognized expert on the analysis, mathematical modelling, and optimization of transportation systems. His additional research areas include traffic network models, network reliability modelling and assessment, and visioning and alternative/qualitative paradigms for long-range transport planning. He serves on the Editorial Advisory Board for Elsevier's Transportation Research Part B: Methodological. He has authored more than 60 journal articles, including in Elsevier's Transportation Part Research B: Methodological, Transportation Research Part A: Policy and Practice, Transportation Research Part E: Logistics and Transportation Review, and Journal of Transport Geography.