Mark Lyall-Grant

Sir Mark is one of the United Kingdom's most senior public servants, with more than 30 years of experience in leadership, policy making, negotiation and public presentation. He has held diplomatic postings on four continents, including High Commissioner to Pakistan and Ambassador to the United Nations. He was National Security Adviser to the Prime Minister from 2015 to 2017. He is currently a visiting professor at King's College London, and a Consultancy Adviser on National and International Security. He is a qualified barrister and was appointed to the Bench of Middle Temple in 2011.

Sir Mark has been a Non-Executive Director of Fox Marble since 2022.