Aliko Dangote is no stranger to the world of business. He is hailed as Africa's richest man with a fortune estimated to be worth 21.6 billion dollars, built over 3 decades. For this self made billionaire who has invested in cement, sugar, flour and recently oil being remembered for his dedication towards bettering the lives of Africans is more important that being named Africa's richest man. CNBC Africa's Claire Muthinji speaks to Aliko Dangote, founder Dangote Group for more.