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Sir Mark Lyall Grant

Sir Mark Lyall Grant

  • Visiting

Visiting Professor

Research subject areas

  • Conflict and security


Mark Lyall Grant qualified as a Barrister before joining the diplomatic service in 1980.  Over the next 35 years, he served in Pakistan (twice), France, South Africa and the US as well as holding numerous positions in the FCO and Cabinet Office in London.  He was High Commissioner to Pakistan (2003-06), Political Director in the FCO (2007-09) and Ambassador to the UN (2009-15).  Most recently, he was the National Security Adviser to both David Cameron and then Teresa May.  In that position, he was head of the National Security Secretariat in the Cabinet Office and Secretary to the National Security Council.  He left Government service in April this year. 


Areas of Expertise

  • National Security
  • Pakistan and the Subcontinent
  • EU & Africa
  • Multilateral Diplomacy



Sir Mark has published in articles on the CSCE, nuclear deterrence, UK security, and more recently newspaper comment pieces on Global Britain post Brexit (FT) and National Security implications of Brexit (Observer and Guardian).