Photo Caption: L-R Group Managing Director/CEO, Nigerian Exchange Group (NGX Group), Mr. Temi Popoola; Chairman, First HoldCo Plc, Mr. Femi Otedola CON; Chairman, Gates Foundation, Bill Gates; President of the Federal Republic of Nigeria, Bola Ahmed Tinubu, GCFR; Founder and President, Dangote Group, Alhaji Aliko Dangote GCON;  Founder, Zenith Bank Plc, Dr. Jim Ovia CFR CON, during a visit to the Dangote Refinery in Eleko, Lagos State