Peter Westmacott

Sir Peter John Westmacott (born 23 December 1950) is a senior British diplomat, who was British Ambassador to Turkey, then Ambassador to France (2007 to 2011) and finally Ambassador to the United States from January 2012 to January 2016, succeeding Sir Nigel Sheinwald, a posting announced by the Prime Minister's Office on 24 June 2011. Provided by Wikipedia