GEORGE HAZEL is Visiting Professor of Transport Policy at the Robert Gordon University, Aberdeen and Director of McLean Hazel, a consultancy specialising in providing transport advice, concepts and solutions for the public and private sectors.

ROGER PARRY is Chief Executive of Clear Channel International, the global media company. He is the author of People Businesses (1991) and Enterprise: The Leadership Role (2003).

BRIAN M EVANS is Artistic Professor of Urban Design at the School of Architecture at Chalmers University in Gothenburg and is a partner of Gillespies, an urban and landscape design practice.

JAMES CRAVEN is Communications Director of Clear Channel International. He is author of numerous works on the marketing of public transport.