She returned to the UK at the end of 2010 . From December 2010 to October 2011 , she was head of the Corporate Communications Department , FCO . From November 2011 , she was head of the International Organisations Department , FCO . In that role , she was responsible for policy on the United Nations , the Commonwealth , the OSCE , and international issues such as war crimes and sanctions . In addition , she was the UK 's lead negotiator at the 2013 Commonwealth Heads of Government Meeting
2013 Commonwealth Heads of Government Meeting
Commonwealth Heads of Government Meeting 2013
Kirsty Hayes