Jean-Christophe Gray is the Interim Chief Executive Officer of the National Infrastructure and Service Transformation Authority (NISTA). Prior to this, Jean-Christophe was a member of the Strategic Defence Review Expert Team, and before that Director General of the No10 and Cabinet Office Delivery Group. He has spent most of his career in HM Treasury, including five years as Director Public Spending with responsibility for Defence, Education, Home Office and Ministry of Justice and Devolved Administration expenditure. His roles on secondment outside of HM Treasury include Prime Minister’s Official Spokesperson (2013-15) and Private Secretary and Head of Household to HRH The Prince of Wales (2021-24). Jean-Christophe was appointed a Commander of the British Empire (CBE) in the New Year’s Honours 2016 and a Lieutenant of the Royal Victorian Order (LVO) in His Majesty The King’s Birthday Honours 2024.