Simeon Onaji
Biography
Simeon Onaji took up the position of UK Deputy Head of Mission and Development Counsellor to Madagascar and the Union of the Comoros in May 2026. Prior to that, he served as First Secretary Development at the British Embassy in South Sudan.
He joined the Foreign, Commonwealth & Development Office (FCDO) in 2021. In London, he led cyber, digital and technology programmes across Africa and South America. Before joining the FCDO, he worked at the Home Office. Simeon holds a Master’s degree in International Development from University College London (UCL).
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Deputy Head of Mission to Madagascar and Comoros
The Deputy Head of Mission is a senior diplomat and typically a key advisor to the Ambassador or High Commissioner. The Deputy is responsible for the daily management of an overseas Embassy or High Commission. They will represent the UK’s interests in the absence of the Ambassador as Chargé d’Affaires. A senior ranking Deputy may also take the title Minister. Smaller missions may not have a Deputy Head.