Steven was a Conservative MP for 14 years and a Minister of Transport for nearly five of them. He is a former Vice-Chairman of the Conservative Party and was twice his party's candidate for Mayor of London. He is currently Chairman of a number of companies including Soho Estates, AMT-Sybex Group Ltd, Saferoad BLG Ltd and Virtus Data Centres and a non-executive director of a number of other quoted and private companies. In public life he is on the Boards of both Transport for London and the London Development Agency, is Chairman of the National Infrastructure Planning Association and President of the national telematics trade body, ITS (UK).
Steven is Chairman of The Urology Foundation and a Trustee of the Fulham Football Club Foundation. He is a Companion of the Institution of Civil Engineers.