Mark Sedwill

Mark Philip Sedwill, Baron Sedwill KCMG FRGS is a British diplomat, public policy analyst and senior civil servant. He served as Cabinet Secretary and Head of the Home Civil Service to Prime Ministers Theresa May and Boris Johnson from 2018 to 2020. He was previously the United Kingdom’s Ambassador to Afghanistan from 2009 to 2010 and the NATO Senior Civilian Representative in Afghanistan in 2010.

About Mark Sedwill in brief

Summary Mark SedwillMark Philip Sedwill, Baron Sedwill KCMG FRGS is a British diplomat, public policy analyst and senior civil servant. He served as Cabinet Secretary and Head of the Home Civil Service to Prime Ministers Theresa May and Boris Johnson from 2018 to 2020. He was previously the United Kingdom’s Ambassador to Afghanistan from 2009 to 2010 and the NATO Senior Civilian Representative in Afghanistan in 2010. Sedwill joined the Foreign and Commonwealth Office in 1989 and he served in the Security Coordination Department and the Gulf War Emergency Unit until 1991. He is the second Cabinet Secretary never to have worked at HM Treasury, and the first whose career has been dominated by diplomatic and security work. In an interview with Civil Service Quarterly, Sedwill said he would retain his role as National Security Adviser to Prime Minister since becoming Cabinet Secretary is part of a success of Brexit. In April 2019, it was reported that Sedwill had written to two senior ministers about possible risks to national security.

Several cabinet ministers have denied they were involved amid warnings about possible dangers to nationalSecurity. In July 2019, The Times reported that two unnamed civil servants had written. to the National Security Council and their special advisers about a meeting of details of a Chinese telecoms company. Following the meeting of the council, the Daily Telegraph reported that it had agreed to allow Huawei limited access to Britain’s new 5G network, but that the company had not agreed to build the network in the UK. In February 2013, Sed will became the Permanent Secretary at the Home Office, filling the vacancy left by Helen Ghosh. He replaced Mark Lyall Grant as National security Adviser in the Cabinet Office in April 2017. During his time as Permanent Secretary, MI5 failed to adequately safeguard data.