Zacch Adedeji

Zacch Adedeji is a Nigerian tax administrator and public official serving as Executive Chairman of the Nigeria Revenue Service. His public career has included leadership of the Federal Inland Revenue Service, advising the president on revenue, and senior roles in state finance and the sugar-development sector.

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About Zacch Adedeji

Profile information current to 2026-08-22.

Nigeria · Tax administrator, Public official

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Also known as: Zaccheus Adedeji, Adelabu Zacch Adedeji
Known for: Tax administration; Fiscal policy and tax reform; Public finance
Country: Nigeria

Tax administrator
Public official

At a glance

He serves as Executive Chairman of the Nigeria Revenue Service.
President Bola Tinubu appointed him acting head of the Federal Inland Revenue Service in September 2023, and the Senate approved his nomination as chairman the following month.
He served as Special Adviser to the President on Revenue during the formation of the Presidential Committee on Fiscal Policy and Tax Reforms.
His earlier public-sector roles included Commissioner of Finance for Oyo State and Executive Secretary of the National Sugar Development Council.

National revenue leadership

Adedeji was appointed Acting Executive Chairman of the Federal Inland Revenue Service on September 14, 2023, after serving as Special Adviser to the President on Revenue. The Senate approved his nomination as FIRS chairman on October 31, 2023. He was subsequently identified by official sources in 2026 as Executive Chairman of the Nigeria Revenue Service, the institution established under the Nigeria Revenue Service (Establishment) Act, 2025, which replaced the former FIRS statutory framework.

Public finance and administrative career

Before leading the federal revenue authority, Adedeji served as Commissioner of Finance for Oyo State and was formally inaugurated as substantive Executive Secretary of the National Sugar Development Council in March 2021. His later appointment as presidential adviser on revenue placed him within the federal government's fiscal-policy and tax-reform work.

Education and private-sector experience

The State House describes Adedeji as a first-class accounting graduate of Obafemi Awolowo University. It has also reported that he held a senior management role at Procter & Gamble before his senior public-sector appointments, although the reviewed evidence does not provide a complete chronology for that employment.

Tax-system transition

Adedeji's leadership of the Nigeria Revenue Service coincides with implementation of the Tax Acts 2025 framework. Federal transition guidance described January 1, 2026 as the framework's effective date for transition purposes, while noting that the individual Acts apply according to their respective commencement provisions.

Timeline

2021-03-29 Formally inaugurated as substantive Executive Secretary of the National Sugar Development Council.
2023-07-07 Identified by the State House as Special Adviser to the President on Revenue during the announcement of the Presidential Committee on Fiscal Policy and Tax Reforms.
2023-09-14 Appointed Acting Executive Chairman of the Federal Inland Revenue Service by President Bola Tinubu.
2023-10-31 The Senate approved his nomination as Chairman of the Federal Inland Revenue Service.
2025-06-26 The Nigeria Revenue Service (Establishment) Act, 2025 established the Nigeria Revenue Service and replaced the former Federal Inland Revenue Service statutory framework.

Additional verified details

Current context

Adedeji was identified as Chairman of the Nigeria Revenue Service in a report published on August 9, 2026; official sources published in January and March 2026 identified him as Executive Chairman. The August 2026 news report uses the title "Chairman," while the January and March 2026 official sources use "Executive Chairman."
Federal transition guidance described the Tax Acts 2025 framework as taking effect from January 1, 2026 for transition purposes, while noting that individual Acts apply on their respective commencement dates.

Biographical facts

The State House described Adedeji as a first-class accounting graduate of Obafemi Awolowo University.
He previously served as Commissioner of Finance for Oyo State.
Before his senior public-sector roles, he held a senior management role at Procter & Gamble.

Connections

Affiliations

Affiliations associated with Zacch Adedeji.

Nigeria Revenue Service Executive Chairman present
Federal Inland Revenue Service Executive Chairman
Presidency of Nigeria Special Adviser to the President on Revenue
National Sugar Development Council Executive Secretary
Oyo State Government Commissioner of Finance
Procter & Gamble Senior management role