Multidisciplinary Leadership at the Highest Level
Nebula Worldwide Limited is led by a globally distributed executive team with expertise across digital infrastructure, energy systems, operations, cloud architecture, and investment strategy.
A Global Team Building Africa's Digital Future
Nebula is led by a multidisciplinary team with deep expertise in infrastructure, energy, and digital systems — bringing institutional experience to Africa's digital transformation.
Gliffeth Wonuigwe
A seasoned energy executive and infrastructure leader with over two decades of experience in oil and gas across Nigeria and West Africa. With a background in law and project management, he has built and scaled multiple companies into multi-million-dollar enterprises, driving large-scale industrial projects and strategic international partnerships.
Julie Graham
An experienced operations executive with a strong background in managing large-scale infrastructure projects and driving operational excellence across complex organizations. She brings a disciplined approach to execution, ensuring that strategy is translated into efficient, high-performance operations across infrastructure, technology environments, and project delivery.
Nicolas Placide
A technology and infrastructure specialist with extensive experience in designing and deploying scalable digital systems across cloud computing, enterprise architecture, and high-performance infrastructure environments. His background in systems engineering spans multiple markets, delivering secure, efficient, and resilient technology platforms.
David Hughes
A technology infrastructure leader with deep expertise in cloud systems architecture, high-performance computing environments, and enterprise-scale digital infrastructure. He specializes in designing and optimizing platforms that power cloud services, AI workloads, and mission-critical operations across distributed systems.
Ali A. Sylva
A strategic business development executive with a strong track record in driving growth, structuring partnerships, and positioning organizations for large-scale opportunities across technology, infrastructure, and enterprise markets. With over a decade of experience spanning international markets, he specializes in identifying high-value opportunities and building strategic alliances.
Miri Priesler
A globally connected finance executive with extensive experience in capital structuring, investment strategy, and cross-border financial operations. She brings a strong network of institutional and private investors, supporting organizations in structuring investment-ready platforms and facilitating access to global capital.
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Whether you're an investor, enterprise client, or strategic partner — our leadership team welcomes the conversation.
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