Mark Sedwill, Baron Sedwill of Sherborne KCMG FRGS, is Chairman of the Atlantic Futures Forum and a cross-bench member of the House of Lords. He recently chaired a G7 Panel on Global Economic Resilience. He is a member of Rothschild & Co’s Supervisory Board and Senior Independent Director of Lloyd’s of London.  

Lord Sedwill was Cabinet Secretary & Head of the Civil Service (2018-20), National Security Adviser (2017-20), Permanent Secretary at the Home Office (2013-17), and British Ambassador and NATO Representative in Afghanistan (2009-11). Before that he had a diplomatic and security career serving in Egypt, Syria, Jordan, Cyprus and Pakistan.   

Educated at St Andrews and Oxford Universities, Lord Sedwill is a Fellow of the Royal Geographical Society and of the Institute of Directors, an Honorary Fellow of Oxford University and of St Edmund Hall, Oxford, and a Distinguished Fellow of RUSI. He is President of the Special Forces Club, a member of the IISS Advisory Council, the RNLI Council and the HALO Trust board, an Honorary Colonel in the Royal Marines and an Honorary Bencher of Middle Temple. He is also the recipient of several awards and honours for national and international public service.