Sir Mark Lyall Grant

Biography

Sir Mark Lyall Grant took up the role of Prime Minister’s National Security Adviser on 7 September 2015.

Sir Mark Lyall Grant is a career diplomat, and has served on 4 continents. Prior to his appointment as National Security Adviser, he was:

  • the UK Ambassador and Permanent Representative to the United Nations (2009 to 2015)
  • Director General Political in the Foreign and Commonwealth Office (FCO), where he was the Principal Adviser to the Foreign Secretary on strategic foreign policy issues (2007 to 2009)
  • the UK High Commissioner to Pakistan (2003 to 2006)

In his earlier postings he served in Paris and Pretoria; as Private Secretary to the Minister for Europe in the FCO; and worked on EU and Africa policy.

Sir Mark Lyall Grant is a qualified barrister and was appointed to the Bench of Middle Temple in 2011.

Previous roles in government

  • National Security Adviser
  • Ambassador and Permanent Representative, UK Mission to the UN New York