From left: Oscar Onyema, CEO, Nigerian Stock Exchange (NSE); Okanlawon Adelagun, executive director, technical, Linkage Assurance Plc, receiving the top 25 CEOs award on behalf of his MD/CEO, Daniel Braie; Anthony Saki, head, oil and gas, Linkage Assurance, and Frank Aigbogun, publisher/CEO, BusinessDay, during the BusinessDay top 25 CEOs and […]