Mark Cartwright is a founder Director of Centaur Consulting Limited, a Surrey-based company which provides strategic technology and policy services. He is a mathematician by training, and a Chartered Engineer. Mark began his professional life in the academic world, where he taught mathematics at the Universities of Oxford and Nottingham. As a consultant, Mark has worked for clients in defence, telecoms, broadcasting, finance and energy sectors, at European, national and local levels. For the past fifteen years, his main area of interest has been transport technology, and he is currently involved in the management and development of numerous national initiatives: UTMC for traffic management, the public transport community RTIG, and RSSB Operational Communications programme for GB Rail. Mark is married, with two daughters.

Informal and individually provided transport has increasingly been replaced by highly structured and regulated provision- even where privatised.