Nigerian banking titan steps down after decades

Jim Ovia retired as chairman of Zenith Bank after 36 years, marking the end of an era that transformed Nigeria’s financial sector. He passed the role to Adaora Umeoji, the bank’s CEO and its first female group managing director, in May.

Ovia started Zenith Bank in 1990 with 20 million naira, roughly $2.5 million at the time. Nigeria already had established banks like National Bank of Nigeria, founded in 1933, and Wema Bank, originally Agbonmagbe Bank, which opened in 1945. Zenith quickly distinguished itself from these older institutions.

From Local Bank to African Giant

The bank strengthened its position during Nigeria’s 2004–05 banking consolidation, when the Central Bank of Nigeria raised minimum capital requirements from 2 billion naira to 25 billion. The policy reduced the number of commercial banks from 89 to 25. Zenith not only met the new standards but expanded its operations beyond Nigeria.

Related: C-Suite Roles Shift to High-Risk, High-Reward Dual Duties

It now runs subsidiaries in Ghana, Sierra Leone, and Gambia, with branches in London, Paris, and Dubai. A representative office in China and the acquisition of Vital Bank Kenya pushed its presence into East Africa. In 2025, the bank became the first Nigerian lender to exceed 5 trillion naira in market capitalization.

Last year, it reported over 30 trillion naira in assets and an after-tax profit of 1 trillion naira. These results highlight a growth path few Nigerian banks have achieved. Ovia stepped down after reaching the maximum 12-year tenure allowed under the Central Bank’s corporate governance rules.

A Succession Years in the Making

Umeoji joined Zenith in 1998 and took over as CEO in 2024 after spending her entire career there. Under her guidance, the bank raised 350.46 billion naira in capital last year, with subscriptions reaching 160% of the target. The offering surpassed Nigeria’s new regulatory requirements while maintaining record profits. The transition was carefully planned. Ovia increased his stake in the bank months before retiring, purchasing an additional 14.8 billion naira in shares to bring his total holding to 16.2%.

This move made him the largest individual shareholder, a position he still holds. The Nigerian Education Loan Fund described his leadership as the foundation of one of Africa’s most respected financial institutions. Boniface Okezie, national coordinator of the Progressive Shareholders Association of Nigeria, said the bank remains one of the country’s strongest because of the stable base Ovia established.

Related: UK bosses see AI reshaping business within two years

Investors seem confident the bank will continue performing well without its founder. Still, the change represents a significant moment. Ovia’s impact reached beyond Zenith, influencing Nigeria’s banking policies and practices. His departure creates a gap that financial results alone cannot fill.

The next phase may depend less on balance sheets and more on whether Umeoji can preserve the culture Ovia built. The bank’s push into new markets shows ambition, but keeping profits steady in Nigeria’s unpredictable economy will challenge any leader. For now, the transition is finished, and the financials remain solid. The future, however, is less certain.

Ovia’s legacy lies not just in the assets he grew but in the institutions he helped make more resilient. Nigeria’s banking sector has experienced cycles of consolidation, crises, and recoveries. Zenith’s rise under his leadership stands as a rare case of lasting stability in a country where financial security is often fragile.