Sir David Logan was specialist in defence and security policy and in Turkey in the Diplomatic Service, serving in the political section of the British Embassy in Ankara from 1966-1970 and as Ambassador to Turkey from 1997-2001. He served as Deputy Chief of Mission at the British Embassies in Moscow and Washington. In the Foreign and Commonwealth Office, he was Deputy Head of Defence Department; Assistant Under Secretary of State for Central and Eastern European Affairs; and Assistant Under Secretary of State for Defence Policy. From 2002-2007 he was Director of the Centre for Studies in Security and Diplomacy at the University of Birmingham. He has been a non-executive director of a British company operating in Turkey and of a Turkish company listed in London. Between 2005 and 2016 he was chair of the British Institute at Ankara, which supports and enables research in Turkey and the Black Sea region in the fields of history, archaeology and related social sciences. He is now Vice-President of the Institute.