Mr Osunkoya commenced his career in 1984 at Premier Hotel Limited, Ibadan as a National Youth Service Corper following which he joined Z.O. Ososanya & Co. (Chartered Accountants) in 1985 where he distinguished himself and rose to the position of an Assistant Audit Manager in 1988. He subsequently moved to Abacus Merchant Bank Limited where he worked between 1989 and 1993 and rose to the level of a manager. Mr. Osunkoya was a General Manager in Konsuma Credit Limited between 1993 and 1995 where he oversaw the daily administrative and operational activities of the asset leasing and credit finance company. He was also the Principal Partner of Bababode Osunkoya & Co from 1994 – 2007.
Mr Osunkoya is the Managing Partner at Abax-OOSA Professionals (Chartered Accountants) and currently sits on the boards of several organisations including Haggai Mortgage Bank Limited; Coronation Life Assurance Limited; Richardson Oil and Gas Limited; Freedom Foundation and Guiding Light Assembly. He is also an Executive Committee member of the Association of Reporting Accountants and Auditors in the Capital Market. He has attended several renowned leadership and professional development programme in leading institutions in areas of accounting, audit, taxation, finance and corporate governance
Mr Osunkoya graduated from the University of Lagos and received a Bachelor of Science degree in Accounting and is also a certified Forensic Accountant. He is also a Fellow of the Institute of Chartered Accountants of Nigeria (ICAN) and the Chartered Institute of Taxation of Nigeria (CITN).