He is currently the Head of Administration and Chief Finance Officer of Standard Union Securities Limited.
Mr. Raphael Ayotunde Olusona obtained his Higher National Diploma in Accounting from Moshood Abiola Polytechnic, Abeokuta, Ogun State, Nigeria with an Upper Credit.
He is an Associate Member of Institute of Chartered Accountants of Nigeria (ACA), Chartered Institute of Taxation of Nigeria (ACTI) and Chartered Institute of Stockbrokers of Nigeria (ACS).