William Babatunde Fowler is a seasoned tax administrator. He studied in the United States of America at the University of Wisconsin, Whitewater, where he obtained his first Degree with a Bachelor of Science in Economics and a minor in Political Science in 1978. He completed a second Bachelors’ Degree in Business Administration at California State University, Los Angeles and also a Master of Business Administration degree program at California State University, Dominguez Hills both in 1981.

His working career started in the United States with Avon Products Inc in New York and thereafter Johnson and Johnson in New Jersey from where he transferred to Johnson and Johnson Nigeria. He made a career change from International Finance and Marketing to Banking where he had a distinguished banking career of over 20 years, first with Commercial Bank (Credit Lyonnais Nigeria Limited) and thereafter with Chartered Bank, where he rose to the position of General Manager before resigning in 2004 to take up his first public sector appointment as the pioneer Permanent Secretary/Executive Chairman of the Lagos State Internal Revenue Service (LIRS).


Mr. Fowler reformed the LIRS and led it to achieve an increase in internally generated revenue from an average of N3.6 Billion monthly as at January 2006 to an average of N23 Billion monthly as at June, 2015 (the highest by any State in the country). In recognition of his impressive performance as Executive Chairman, LIRS, he was appointed Executive Chairman, Federal Inland Revenue Service and Chairman Joint Tax Board by His Excellency, President Muhammadu Buhari, GCFR on 18th August, 2015 to drive the change agenda of the new administration in the tax sector. Since his appointment as the Executive Chairman, his leadership of the FIRS has begun to show positive results with an increase of over 800,000 new registered (corporate) taxpayers, and as Chairman of the Joint Tax Board, he has increased the number of tax payers in the States of the federation by 4,000,000 from 10,000,000 to 14,000,000 in 12 months.

Mr. Fowler amongst many other new initiatives, has introduced and deployed several ICT driven initiatives which is revolutionizing tax administration in Nigeria and serving to ease taxpayers compliance, such as the Integrated Tax Administration System (enables on-line filing of tax returns), VAT-Collect system (automation of collection and remittance to government coffers of VAT due from Airlines), e-Stamp Duty (on-line stamping of documents and stamp duty payments), e-Tax receipt (enables instantaneous issuance of receipts for taxes paid), e-Tax Clearance Certificate system (on-line issuance and verification of TCC), etc.

In spite of the economic challenges during the year 2016, Mr. Fowler mobilised the FIRS work force to collect N3.3 trillion in 2016 (taxes collectible at the Federal level only). In 2017,FIRS under Fowler collected N4.03 trillion, the first time in the last three years and in a year when oil sold at an average of about $50 dollars. FIRS ‘collection represented 82.32 per cent of the target set by the FIRS. By October 2018, he has led FIRS to collect N4.03 trillion.

In recognition of his exemplary performance as a Tax administrator, the Heads of Revenue Authorities in Africa, voted overwhelmingly at the 4th ATAF General Assembly in Durban, South Africa in October 2016, to elect him as the Chairman of the African Tax Administration Forum. He is the first Nigerian to lead ATAF, -which comprises Revenue Authorities from 38 African countries. He was re-elected for a second term as Chairman, ATAF, at the organisation’s General Assembly, in Botswana in October 2018.

Mr. Fowler is a recipient of several awards and recognitions, which include Honorary Senior Member of the Chartered Institute of Bankers of Nigeria and a Fellowship ‘Honoris Causa’ by the Certified Board of Administrators of Nigeria. He is a Fellow of both the Chartered Institute of Taxation of Nigeria and the Chartered Institute of Taxation of Ghana. He also holds a Fellowship of the Business Management Association of the United Kingdom.

Due to his commitment and performance in tax administration, the United Nations appointed him as one of the 25 members of the International Experts Committee on Tax Matters on the 10th August, 2017. He was elected the 2nd Vice Chairman of the International Tax Experts Committee on 17th October, 2017.



    Peter B. Hena

    Coordinating Director, Support Services Group

    Peter B Hena holds a Bachelor of Science degree in Accounting and a Master’s degree in Accounting and Finance. He is a member of the Chartered Institute of Taxation of Nigeria (CITN), the Chartered Institute of Purchasing and Supply Management of Nigeria (CIPSMN) and a Fellow, Association of National Accountants of Nigeria (ANAN).


    He joined the Federal Inland Revenue Service (FIRS) in 2009 as Deputy Director, Procurement and became Director, Procurement Department in 2010, a position he maintained until September 2013 when he was elevated to the position of the Coordinating Director, Support Services Group.

    As the Coordinating Director of the Group, he has supervisory oversight over the following departments: Human Capital Management and Development, Finance and Accounts, Revenue Accounting, Facility, Security and Safety Management and Procurement Departments.


    Abiodun Aina

    Coordinating Director, Domestic Tax Group /
    Special Advisor to the Executive Chairman

    A seasoned finance and investment manager with over 20 years post qualification experience in auditing, taxation, banking and business advisory services, Aina is a fellow of the Institute of Chartered Accountants of Nigeria; Associate Member, Chartered Institute of Stockbrokers and Associate Member, Chartered Taxation Institute.


    Aina is from Kwara State, North Central Nigeria.

    Aina, who holds a Master’s Degree in Banking and Finance from the University of Lagos, started his professional career with KPMG in 1982 and left as Senior Auditor in 1988 to join First Interstate Merchant Bank where he rose to the position of Manager and Head of Treasury before he joined Associated Discount House in 1993 as the pioneer Assistant Chief Dealer.

    He left Associate Discount House in 1997 as Senior Manager and member of the company’s Executive Committee.

    He subsequently worked with Baccad Finance & Investments Ltd as Head of Accounts where he acquired the pre-requisite experience required to become a Dealing Clerk on the Nigerian Stock Exchange.  He later qualified as a stockbroker (ACS) in 1997 after which he founded the accounting firm of Abiodun Aina & Co. (Chartered Accountants).

    Aina also had the distinct privilege to serve in Reliance Bank Ltd as Deputy General Manager. He was at various times in charge of Treasury and Financial Institutions and Head, Corporate and Investment Banking division of the bank.

    He returned to professional practice in 2002 with special focus on taxation, thereby having about 13 years continuous practice in taxation before his current appointment.

    He was appointed the Special Advisor to the Executive Chairman, FIRS in August 2015. Along with his advisory role, he was appointed Coordinating Director of the Domestic Tax Group of the FIRS on 15th May, 2017.



For enquiries or feedback about service received at any of our offices nationwide, please mail any of the listed addresses, or call the following numbers:

Phone Numbers 09074444441
Revenue House,
20 Sokode Crescent,
Wuse Zone 5,