Leading with Excellence, Serving with Honour

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Meet Zacch Adelabu Adedeji

A thoroughbred professional creating value, empowering generations and sustaining industries, a name that has become synonymous with success, innovation and excellence.

    Chairman of the Federal Inland Revenue Service (FIRS)

    Former Special Adviser on Revenue to President Bola Ahmed Tinubu (GCFR)

    Former Executive Secretary | National Sugar Development Council (NSDC)

    A Chartered Accountant

    A First-Class Graduate in Accounting

    Ex-Commissioner of Finance Oyo State

If you are going to achieve excellence in big things, you develop the habit in little matters. Excellence is not an exception, it is a prevailing attitude.

Colin Powell

From Small Things Greatness Come 

Adedeji's life story is nothing short of a legend, with stories of his relentless and grueling battle against poverty and deprivation in his formative years. Born in Iwo-Ate, Ogbomoso, Oyo State, he toiled endlessly alongside his mother on the farmlands, with hunger as his constant companion. Yet, he remained resolute in his pursuit of a better life and was undeterred by the adversities he faced.
With unwavering determination, Adedeji pursued his academic aspirations, earning a degree in accountancy from a polytechnic and a First-Class degree in Accounting from the prestigious Obafemi Awolowo University in Ile-Ife. Despite his humble beginnings, Adedeji's brilliance shone through, setting him apart from his peers.

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    In 2011, Mr. Adedeji was appointed as the head of Oyo State's Finance ministry. One of his notable accomplishments in the state was spearheading a team of fewer than 50 personnel to establish a Medium-Term Financial (MTF) strategy, which served as the overarching framework for financial and budgetary management in the state. In addition, he successfully implemented a minimum wage payment of N19,000 for civil servants in the state, a significant increase from the previous N7,500, and introduced a 13th-month salary payment. Through state finance process efficiencies, he also achieved annual budgetary savings of N7.2 Billion.
    As a result, the state achieved financial reporting excellence, leading to sustainable growth in cash flow for recurrent expenditure and the financing of capital expenditure projects such as the construction of over 200 roads and bridges, and the execution of road repairs in all 33 Local Government Areas.
    During his tenure, he established a record of not accruing any new debt for the state and reducing the state's debt exposure by 50%. Moreover, he is the co-founder and managing partner of RTR, a financial consulting firm that provides financial advisory and policy development services to public administrators and private institutions in West Africa. 
    Mr. Adedeji served as the executive secretary of the National Sugar Development Council, NSDC appointed by President Muhammadu Buhari. He implemented the National Sugar Master Plan (NSMP) and promoted local sugar refining, reduce sugar importation, and increase local sugar production.
    Mr. Adedeji was appointed as the special adviser on revenue to President Bola Ahmed Tinubu on the 15th of June 2023.

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Public service is not just a job, it's a noble calling to serve and uplift the community, and those who answer the call are true heroes of our society.


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A Magnificent Rise Through the Ranks 

Mr. Adedeji is an accomplished financial expert with over 15 years of experience in corporate accounting, public service administration and public service advisory for a diverse range of clients including corporate multinationals, state governments and the Federal Government of Nigeria. With a keen eye for detail and a deep understanding of complex financial systems, this astute accountant is a trusted advisor in corporate tax and public finance development, offering expert guidance to help businesses navigate the ever-changing financial landscape with confidence and precision.

The Man Behind the Numbers: Zacch Adelabu Adedeji's Record of Accomplishments and Service

Zacch Adelabu Adedeji story inspires all who hear it. He rose from humble beginnings, toiled on farmlands, and battled poverty and hunger to attain academic excellence. He has made tremendous contributions to public administration in Nigeria, where he served as the head of the Oyo State Finance Ministry, achieving remarkable feats such as eliminating debt and implementing financial process efficiencies that led to significant savings. 

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Zacch in the News

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Zacch Adedeji: Tinubu to send emergency fiscal bill to n’assembly for consideration


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Build capacity, FIRS boss tells Commonwealth tax administrators


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Adedeji Advocates Global Tax Reform


Journey Through Zacch's Mind