Tony Elumelu has been named the next Chairman of Seplat Energy effective January 1, 2027, as the company announces key board and executive changes including the appointment of Effiong Okon as CEO
Seplat Energy Plc has announced a major leadership succession plan with Tony Elumelu set to emerge as Chairman of the company effective January 1, 2027.
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The oil and gas firm disclosed on Wednesday that incumbent Chairman Senator Udo Udoma will retire on December 31, 2026, while Chief Executive Officer Roger Brown will step down from his role and the board on July 31, 2026.
The board has elected Tony Elumelu, Founder and Chairman of Heirs Holdings, as the next Chairman. Elumelu, who joined the Seplat Energy board in January 2026, brings decades of experience in value creation across Africa’s strategic sectors.
Heirs Holdings currently holds a 20.07 per cent stake in Seplat Energy.
The company also appointed Effiong Okon as the new Chief Executive Officer and Executive Director, effective August 1, 2026. Okon, who has been with Seplat since 2018, most recently served as Managing Director of ANOH Gas Processing Company.
According to the company, Roger Brown led Seplat Energy through significant growth during his 13-year tenure, including the landmark dual listing in 2014 and major acquisitions such as Eland Oil and Gas and Mobil Producing Nigeria Unlimited.
Senator Udo Udoma expressed gratitude to Brown for his outstanding contribution in building Seplat into a leading African independent energy company.
Incoming CEO Effiong Okon said his immediate priority will be the successful execution of the company’s 2030 Roadmap and the development of a long-term strategic plan.
Tony Elumelu described the appointment as an honour and reaffirmed his belief in the transformative power of indigenous energy companies in driving economic development across Nigeria and Africa.
“I thank Senator Udoma and Roger Brown for their exceptional stewardship and look forward to working with the board and management to deliver greater value for shareholders,” Elumelu said.
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The changes are designed to ensure strategic continuity while positioning Seplat Energy for its next phase of sustainable growth and operational excellence.
