Sibusiso is a seasoned South African public affairs and public health professional with over 20 years of experience, including 15 in senior management. Before joining HST he served in a leadership role at PATH, and previously directed External Affairs for the Africa Region, overseeing partnerships, advocacy, and communications across 12+ countries and contributing to PATH's Global Leadership Team. His expertise spans stakeholder engagement, strategic policy influence, and resource mobilisation, with prior roles at the CDC, Aeras, Brunswick Group, and as PATH's South Africa Country Director. Notably, he pioneered initiatives like the Funders Forum, South African TB Caucus, and the AU Platform for Harmonized Africa Health Manufacturing. He holds a Master's in Public Health from the University of Pretoria, a Postgraduate Diploma in Management from Wits, and various certifications in project management and health programme monitoring.