The Prime Minister has confirmed the appointment of Sir Mark Lyall-Grant as his National Security Adviser.
The Prime Minister is pleased to confirm the appointment of Sir Mark Lyall-Grant as his National Security Adviser. Sir Mark will take over the role from Sir Kim Darroch in early September.
Sir Kim Darroch will be moving on to another senior diplomatic post in due course.
Read Sir Mark Lyall-Grant’s biography.
Find out more about the National Security Council.
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