ZEN Petroleum Ltd., one of Ghana’s leading indigenous oil marketing companies (OMCs), has appointed Mr. Frank Adu, a former Managing Director of CAL Bank PLC, as Chairman of its Board of Directors, effective January 1, 2026.
Mr. Adu brings to the ZEN Petroleum Board decades of distinguished executive and board-level leadership experience, particularly within the financial services sector, where he is widely respected for his strategic insight, disciplined governance approach, and people-centred leadership style.
He served as Managing Director of CAL Bank PLC for 20 years, leading the bank through a period of significant transformation, sustained growth, and institutional resilience.
Mr. Adu currently serves as Chairman of the National Investment Bank and has held leadership and board roles across several corporate and not-for-profit organisations, including Legacy Bonds Limited, Quality Insurance Company Limited, University of Ghana Enterprises Limited, the FOCOS Foundation, and the Ghana Stock Exchange.
Through these roles, he has contributed deep expertise in corporate governance, strategy, risk management, and leadership development.
He is also actively engaged in education and civic initiatives. Mr. Adu is Chairman and Co-Founder of the Roman Ridge School and was recently appointed the first Chancellor of the African University of Communications and Business.
His community and sporting leadership includes serving as President of the Achimota Golf Club, as well as former Captain and President of the Accra Polo Club.
Mr. Adu holds a Bachelor of Arts (Hons) degree in Geography and an MBA in Finance. He was awarded an Honorary Doctorate by the University of Ghana in 2013.
He is an Honorary Fellow of the Chartered Institute of Bankers and an alumnus of the Oxford Strategic Leadership Programme at Saïd Business School, University of Oxford.
He succeeds Mr. Tutu Agyare, who concludes his tenure after nine (9) years of distinguished service as Board Chairman.
Under Mr. Agyare’s leadership, ZEN Petroleum recorded significant growth, strengthened its governance framework, and deepened its commitment to safety, people development, and community impact.
The Board and Management expressed their profound appreciation for his steady leadership and invaluable contribution to the company’s journey.
Commenting on the appointment, Managing Director of ZEN Petroleum, Mr. William Tewiah, said:“Frank’s extensive experience, proven leadership, and governance expertise align strongly with ZEN Petroleum’s values and long-term vision. His appointment ensures continuity while positioning the company for its next phase of growth.”
As Board Chairman, Mr. Adu will work closely with the Board and Management to advance ZEN Petroleum’s strategic objectives, reinforce robust governance practices, and support the company’s focus on operational excellence, safety leadership, and sustainable value creation across its retail, mining, and fuel infrastructure businesses.
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