The Chief Secretary to the Treasury is also a member of what political party?
Government Digital Service:  It is overseen by the Public Expenditure Executive (Efficiency & Reform) which is co-chaired by Minister for the Cabinet Office, Ben Gummer and the Chief Secretary to the Treasury, David Gauke. David Gauke: David Michael Gauke ( ; born 8 October 1971) is a British Conservative Party politician and a solicitor.
British Conservative Party