Simon Thomas OBE
Biography
Mr Simon Thomas OBE is a senior British diplomat.
Simon joined the Diplomatic Service in 1997, after graduating from Birmingham University with a first class Honours Degree in Russian Language and Literature.
He has served in various diplomatic posts overseas, including Warsaw, the UK Mission to the United Nations in New York and the EU Representation to the EU in Brussels. He was Deputy Head of Mission at the British Embassy in Buenos Aires, Argentina, from 2009 to 2013 and Deputy Head of Mission, later acting Ambassador, at the British Embassy in Harare, Zimbabwe, from 2016 to 2019. From 2021 to 2025, he served as His Majesty’s Ambassador to Croatia.
Simon has worked extensively on national security issues, including in the UK government crisis centre (COBR), on counter-terrorism policy and as Head of the FCO’s Intelligence Policy Department. He is a graduate of the Royal College of Defence Studies and holds a Master’s Degree with distinction in International Security and Strategy from King’s College London.
In 2018 he was awarded an OBE by HM The Queen, for services to British foreign policy.
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Previous roles in government
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British Ambassador to Croatia
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Deputy Head of Mission, British Embassy Harare