Sir Peter Westmacott, KCMG, LVO was the British Ambassador to the United States from January 2012 to January 2016.

He was born in the village of Edington, Somerset in the South West of
England in December 1950. He was educated at New College Oxford and
joined the Diplomatic Service in 1972.

After a year in the Middle East Department, and Persian language
training, Ambassador Westmacott was posted to Tehran in 1974. In 1978 he
was loaned to the European Commission in Brussels, before being posted
to Paris from 1980 to 1984.
After 3 years as Chief of Staff to successive Ministers of State in
London, he went to Ankara in 1987, for the first of his two diplomatic
postings to Turkey.
From 1990 to 1993, he was Deputy Private Secretary to HRH The Prince of Wales.
From 1993 to 1997, Ambassador Westmacott was Counsellor for Political
and Public Affairs in Washington, before returning to the Foreign and
Commonwealth Office as Director, Americas.
He joined the Board of the FCO in 2000 as Deputy Under Secretary and returned to Ankara as Ambassador in 2002.
In 2007 he moved to Paris where he served as Ambassador to France until the end of 2011.
Peter married Susie Nemazee in 2001. Between them they have four grown children, Oliver, Laura, Rupert and Safieh.