Adesoji began his career with Z. O. Ososanya & Company (Chartered Accountants) as an Audit Senior. He proceeded to First Bank of Nigeria Plc where he worked under General Branch Operations, then as Head, Credit and Marketing Department, Iganmu branch and lastly as Relationship Manager, Commercial Banking before joining Standard Trust Bank Limited. While with Standard Trust Bank, he assumed the role of Head, Regulatory Reporting and Tax Planning and also held the roles of Head, Performance Reporting & Management and Head, Financial Reporting. He left Standard Trust Bank to join FCMB as the Financial Controller.
He holds a Bachelor’s degree in Accounting from Ogun State University. He is an Associate Member of the Institute of Chartered Accountants of Nigeria and the Chartered Institute of Bankers of Nigeria.