Sir Mark Sedwill was appointed Cabinet Secretary in 2018. He is also Head of the Civil Service and National Security Adviser.
Prior to this, Mark was the Permanent Secretary at the Home Office (2013-17), FCO Political Director (2012-13), NATO Senior Civilian Representative in Afghanistan (2010-11), HM Ambassador to Afghanistan (2009-10) and Director of UKvisas (2006-8). He joined the Foreign & Commonwealth Office in 1989, serving in Egypt, Iraq, Cyprus and Pakistan.
Mark was educated at the University of St Andrews and the University of Oxford. He is a Fellow of the Royal Geographical Society, a Fellow of the Institute of Directors and President of the Special Forces Club. He is married with one daughter.