Andrew Jones, MP for Harrogate and Knaresborough, is Under Secretary of State (ie junior to the Sec of State and Minister of State).
He appears to be an HS2 enthusiast, and was PPS to Justine Greening while she was Sec of State for transport.
http://en.wikipedia.org/wiki/Andrew_Jones_(politician)
Andrew Jones is on the Rail North Electrification Taskforce.
I started a thread on cabinet changes but it got moved to General Discussion: http://www.railforums.co.uk/showthread.php?t=115671