Mark Sedwill

Mark Sedwill

Mark Philip Sedwill CMG was appointed Cabinet Secretary and Head of the Civil Service on 24 October 2018. From June 2018, he had been Acting Cabinet Secretary and Head of the Civil Service while Sir Jeremy Heywood was on leave owing to ill health. Sir Mark will continue as National Security Adviser, to which position the Prime Minister appointed him in April 2017.

Mark was Permanent Secretary at the Home Office between February 2013 and April 2017. He was previously Director General (political) at the Foreign & Commonwealth Office and the Prime Minister’s special representative for Afghanistan and Pakistan.