Jonathan Tullett is Associate Research Director for IT Services across Sub-Saharan Africa. His specialist areas include IT services, outsourcing, cloud computing, information security, and digital transformation.

Originally from the U.K. and currently based in Johannesburg, Jonathan has spent two decades working in technology and media across Europe, the Middle East, and Africa. In addition to consulting and research, he has worked in cybersecurity and application development.

Jonathan leads research and consulting projects across Sub-Saharan Africa as well as engagements in Europe and the Middle East, helping customers navigate emerging digital business opportunities, refine competitive go-to-market strategies, and gain insights into regional market performance.

Jonathan combines a deep understanding of both business and technology to deliver actionable insights for clients, who include global hyperscale cloud providers, regional telecom operators, local and global systems integrators, and managed service providers, as well as end-user organizations including financial services and government.

Hemu Choonilal is a Chartered CIO and senior technology executive with more than three decades of transformative leadership across banking, telecoms, and enterprise technology in South Africa and globally. He currently serves as Fractional CIO for industries, Enterprise Architecture Consulting & BFSI Industry Vertical at MTN South Africa’s Enterprise Business Unit, where he leads the practice responsible for shaping network-intelligence, AI-driven, and open-API-enabled solutions for the country’s most complex financial services organizations.

His career is a testament to the intersection of deep domain expertise and executive vision. Hemu began at Standard Bank in 1994 as a Data Capture Clerk and systematically rose through the ranks of technology leadership. He went on to join SAP AG Germany as one of only four global specialists worldwide selected to pioneer SAP’s first core banking platform — a landmark achievement that positioned him at the cutting edge of global financial technology architecture.

His subsequent tenure at Nedbank, followed by an executive appointment as CIO at Access Bank South Africa, cemented his reputation as a leader who operates with equal fluency in boardrooms, engineering teams, and regulatory environments. He has been recognized as one of the Global Top 200 CIOs (2024) — a distinction that reflects both his strategic impact and his contribution to the advancement of technology leadership on the African continent.

Tumi is a seasoned business leader with over 25 years of experience in technology, telecommunications, and strategy. Currently, she serves as Chief Enterprise Business Officer at MTN SA, leading the organization’s enterprise client strategy and growth. Prior to this role, Tumi was at MTN Group for 5 years and was the Chief Group Enterprise Officer between 2020-2023, overseeing Group’s Enterprise client segment teams and the overall strategy for enterprise customers across 22 countries in Africa and Middle East.