Olusola Adewale Fajimi’s over two decades experience spans Auditing & Investigation, Accounting, Internal Control and Compliance in the manufacturing and banking sectors. Having previously served as the Chief Compliance Officer of TAJBank, he is the substantive Divisional Head of Operations of the Bank.​​

He started his professional career with Kewalram/Charai Group as an Assistant Manager, Corporate Audit, and rose to become Account Manager in Sunseed Nigeria Plc, (subsidiary of Kewalram/Chanrai).​

He joined Gateway Bank in 2002 to begin his banking career as resident control officer, he later joined First Atlantic Bank Ltd in 2003. First Atlantic merged with Inland Bank and two others to become First Inland, then Finbank Plc, where he rose to the position of Group Head, Internal Control, Far North. After the merger of Finbank with FCMB in 2012, he became the Regional Control Head of FCMB for North East and North West. Thereafter, he moved to Compliance Unit as Head, Cluster Compliance, First City Monument Bank Limited, to set up the cluster compliance of the bank, with the responsibility of supervising and coordinating branch compliance activities in all the bank’s branches in Nigeria.​​

Mr. Fajimi has championed the design and implementation of several Accounting and Compliance initiatives in the areas of Auditing & Investigations, Management Accounting, Internal Control and Compliance.​
He has an HND in Accounting & Finance from the Yaba College of Technology, a Masters in Business Administration (Finance) from the Lagos State University, he qualified as a chartered accountant in 1998, He is currently a Fellow of the Institute of Chartered Accountants of Nigeria (FCA).​