Condoleezza Rice, 66th US Secretary of State

66th US Secretary of State 15 March 2017

Joseph Muscat, Prime Minister of Malta

Prime Minister of Malta 14 March 2017

Sir Julian King, European Commissioner for the Security Union

European Commissioner for the Security Union 2 February 2017

The Rt Hon Dr Liam Fox MP, Secretary of State for International Trade

MP, Secretary of State for International Trade 12 January 2016

Dr Arthur Laffer, American Economist

American Economist 7 December 2016