Professor Lewis Lesley is a chartered professional engineer and registered professional engineer who does substantial consulting work for major bus operators, local authorities and rail operators throughout the U.K. and the world. He graduated from Kings College London with a BSc in Mathematics and Physics and received his Ph.D. in Transportation Engineering from Strathclyde University. Dr. Lesley has published more than 200 technical papers in refereed international journals and is the author or editor of 25 books. He has held posts as Public Transport Officer, Durham County Council; Reader in Transport, Liverpool Polytechnic; Professor of Transport Science, Liverpool JM University; and Technical Director, TRAM Power Ltd. In addition, he has been a Visiting Professor at Budapest Technical University, Delft Technical University, National University of Ireland in Maynooth, Széchenyi István University, Rice University, and Leeuwarden Hogeschool.