Through her South Africa-based Oprah Winfrey Leadership Academy for Girls, in its 10th year, the media mogul and self-made billionaire is developing leaders positioned to play a key role in Africa. In this exclusive interview with FORBES WOMAN AFRICA, Oprah Winfrey talks about where it all started – in Mandela’s home where she spent 10 days and shared 29 meals with the statesman and pledged to build a school for girls and invest in the people of South Africa.