Modupe is a graduate of Accounting from Olabisi Onabanjo University and an alumna of Lagos Business School. She is a Fellow of the Institute of Chartered Accountants of Nigeria (ICAN) and a member of the Nigerian Institute of Management (NIM). Prior to joining The Brook Finance Company Limited, she was the Head of Finance & Accounts at FastCredit Limited, where she actively supervised the finance department of the organisation.

She has over 13 years of experience in Accounting, Financial Control and Planning, Audit, Tax, and Investment Management.