His professional career commenced in 1991 at Oceanic Bank Plc. (which is now EcoBank Plc.), where he occupied various important positions. He later transitioned to FirstBank in 2016, taking on notable organisational roles. Olusegun Alebiosu has been announced as the acting chief executive officer (CEO) at First Bank of Nigeria (FBN) Limited following the departure of Adesola Adeduntan.Adeduntan tendered his resignation on April 20, departing eight months before his contract was due to conclude. Adeduntan has served as CEO since 2016. FBN Holdings announced on Sunday that Alebiosu has been appo…