Brian Okoth and BBC.
1993 - Slyvie Kiningi - Acting President of Burundi - following the killing of Melchior Ndadaye
2006-2018 - Ellen Johnson Sirleaf - elected President of Liberia
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2009 - Rose Francine Rogombé - Acting President of Gabon following the death of Omar Bongo
2012 - Monique Ohsan Bellepeau - Acting President of Mauritius after the resignation of Sir Anerood Jugnauth
2012-2014 - Joyce Banda - President of Malawi after the death of Bingu wa Mutharika
2014-2016 - Catherine Samba-Panza - transitional President of Central Africa Republic
2015-2018 - Ameenah Gurib-Fakim - President of Mauritius, elected by parliament
2018-present Sahle-Work Zewde - President of Ethiopia, elected by parliament
2021-yet to be sworn in Samia Suluhu Hassan - President in waiting of Tanzania after office holder John Pombe Magufuli died on March 17, 2021.