Dear Readers,
In this edition of Entrepreneurs Bulletin, we proudly spotlight Dr. Harrison Nnaji, Group Chief Information Security Officer (CISO) of FirstBank and its subsidiaries—a transformative leader redefining the role of cybersecurity in financial services. With a career built on foresight, resilience, and innovation, Dr. Nnaji stands as a guardian of trust in an era where digital security is central to growth and progress.
As Group CISO, Dr. Nnaji leads the protection of one of Africa’s most influential financial institutions, ensuring that its digital infrastructure, customer data, and global operations remain resilient against evolving threats. Yet, his leadership extends far beyond systems and protocols. He sees cybersecurity as a strategic enabler of business, aligning security practices with FirstBank’s broader mission of customer confidence, financial inclusion, and sustainable growth.
His philosophy is simple but powerful—true security leadership is not about building walls, but about building cultures. Through his initiatives, Dr. Nnaji has fostered collaboration across teams, encouraged capacity building within subsidiaries, and mentored the next generation of cyber professionals. By doing so, he is shaping not only the security of FirstBank, but the future of Africa’s digital ecosystem.
Under his stewardship, FirstBank has strengthened its reputation as a forward-looking financial leader. From deploying advanced threat intelligence and monitoring systems to driving compliance excellence and global partnerships, Dr. Nnaji ensures that innovation is always paired with resilience. His work bridges the gap between risk management and opportunity, showing that cybersecurity is not a cost of doing business—it is the foundation of trust in the digital age.
In a world often defined by headlines of breaches and risks, Dr. Harrison Nnaji stands apart as a voice of assurance, foresight, and empowerment. He doesn’t just defend against threats—he builds pathways for confidence, readiness, and growth.
In this edition, we celebrate Dr. Nnaji’s leadership journey and his mission to transform cybersecurity from a reactive necessity into a proactive force for innovation and sustainable progress. His story is a reminder that integrity, vigilance, and vision are the true hallmarks of lasting impact.
Warm regards,
The Entrepreneurs Bulletin Team