Ellen Johnson Sirleaf is a Liberian politician who served as the 24th President of Liberia from 2006 to 2018. She was the first elected female head of state in Africa and the first elected female president in the world. She was awarded the Nobel Peace Prize in 2011
From Wikipedia
Ellen Eugenia Johnson Sirleaf is a Liberian politician who served as the 24th president of Liberia from 2006 to 2018. Sirleaf was the first elected female head of state in Africa.