Mr. Gabriel Olajide Ogunjemilusi

Mr. Gabriel Olajide Ogunjemilusi is a fellow of The Institute of Chartered Accountants of Nigeria and an Associate member of the Chartered Institute of Taxation of Nigeria. He is a holder of Higher National Diploma in Accountancy from The Polytechnic, Ibadan. He also holds a Master degree in Business Administration (MBA)

His experience in tax administration spanned over twenty-seven years in FIRS, out of which he spent over seventeen years in the Oil and Gas Department. He retired from the Service having reached the age of sixty years in March 2022 and currently appointed as the Special Adviser Technical to the Executive Chairman FIRS.

Over those years of his service in the Federal Inland Revenue Service, he held various positions, such as Tax Controller/ Oil and Gas Upstream, Head of Audit/ Oil and Gas Upstream, State Coordinator /Lagos Island and Director /Tax Policy and Advisory Department.

He also served as the Director, Tax Policy and Advisory Department between 2018 and 2019, which made him to be the Authorized Competent Authority for Nigeria in Tax Treaties and Exchange of Information matters. He was, in most cases, the leader of Nigerian delegation to Tax Treaty Negotiations between Nigeria and other countries in Africa, Europe and Asia Continents. He also served as a representative of Nigeria on OECD Working Party 1, Working Party 1 Bureau, Inclusive Framework, Task Force on Digital Economy, Forum for Harmful Tax Practices, Forum for Tax Administration and Mutual Agreement Procedures (FTA MAP).


Among various Committees and Groups where he served as a representative of FIRS are: Inter-agency Committee on Oil and Gas Free Trade Zone, Onne (2001-2002), The Executive Committee on the Petroleum Industry Bills (2008-2012), National Tax Policy Technical Drafting Committee for 2019 Finance Bill, National Tax Policy Reform Committee for 2020 Finance Bill, Petroleum Industry Governance, Host Community and Petroleum Industry Finance Bill (PIGH & PIFB) Group, 2020.

He has attended various trainings, workshops and Seminars on taxation both within and outside the country. He has also presented papers on Oil and Gas Taxation at various workshops and seminars.

Mr. Ogunjemilusi Gabriel Olajide is happily married and God has blessed his home.