Kwame Nkrumah was a Ghanaian revolutionary and politician. He played an important role in the independence of the Gold Coast in 1957, after which he served as the first prime minister of Ghana from 1957 to 1960 and then as the first president of Ghana from 1960 to 1966. He also played an influential role as an advocate of Pan-Africanism.
Ghanaian diplomat Kofi Annan served as the seventh Secretary-General of the United Nations from 1997 to 2006. He was the founder and chairman of the Kofi Annan Foundation and a co-recipient of the 2001 Nobel Peace Prize. During his stint with the UN, he launched the UN Global Compact and worked to combat HIV/AIDS.
John Dramani Mahama is a Ghanaian politician who served as the president of Ghana from July 2012 to January 2017. He was previously the vice president of Ghana from January 2009 to July 2012. He is the first head of state of Ghana to have been born after Ghana's independence. He is a staunch campaigner for sustainability.