Sir Simon Fraser was for five years, from 2010 to 2015, the Head of the UK Foreign Office and Diplomatic Service. He has also led the UK Department for Business. Prior to that he served as Chief of Staff to the European Trade Commissioner in Brussels, and as Director General for European policy at the Foreign Office. Within Flint Simon leads on advice to clients on Brexit and international policy issues. He is Deputy Chairman of the Royal Institute of International Affairs (Chatham House) and is a Visiting Professor at King’s College London.