Chris Bolt has worked in the field of economic regulation for more than twenty-five years.  His main roles have been Head of Economic Regulation at Ofwat (1989-1994), Group Director Economic Regulation at the Office of the Rail Regulator (1994-1998), Rail Regulator (1998-1999), Regulation and Corporate Affairs Director at Transco plc (1999-2002), Arbiter for the London Underground PPP (2002-2011) and Chairman of the Office of Rail Regulation (2004-2009).  He was made a Companion of the Order of the Bath in the New Year Honours 2010. 

Chris now provides strategic advice on regulatory issues to a number of companies and regulators.  He was until recently a member of the Advisory Council of Infrastructure UK, and continues to provide advice on economic regulation to HM Treasury and BIS.  He was a member of the expert group advising the Department for Transport on the regulation of airports (2008-2009) and of the Advisory Board for the Rail value for money study (the McNulty review, 2010-2011).  

His voluntary activities include being a signalman on the West Somerset Railway and Treasurer of the West Somerset Steam Railway Trust.

Chris has given three Beesley regulation lectures.  His first, in 2003, was on Regulating London Underground.  In 2005, he spoke on Developing the framework of rail regulation.  His third Beesley lecture, given on 28 October 2010, was on Regulating a state owned company.  He also gave a CRI Occasional Lecture in 2007 on Regulating by contract and licence.

Other speeches and papers include The future of RPI-X and the implications for utility investment in the UK (2003), The role of ORR in delivering a safe, well-performing and efficient railway (2004), Regulation with a government interface:
the case of rail
(2005), Rail regulation: for whom does it work? (2008), Promoting safety and value in Britain’s railways: ORR fifteen years on (2009) and Introducing the concept of the system operator in the water sector: lessons from the gas and rail sectors in the UK (2010).  His most recent published paper is Regulation as an enabler of investment (2011).

The PPP Arbiter's website is archived at

Chris can be contacted at