She is a former Programme Manager at the Rosa Luxemburg Stiftung Southern Africa where she worked closely with regional trade unions, civil society organisations and community-based organisations to advance environmental, human and social rights in supply chains. She is also a former German Institute for International and Security Affairs Research Fellow (SWP), where she advised the German Government on the Binding Treaty on Business and Human Rights negotiations at the United Nations Human Rights Counsel to elaborate on an internationally legally binding instrument to ensure corporate accountability across the supply chain and the impacts of European Union regional supply chain laws in Africa.
She is also the former Konrad Adenauer Stiftung and South African Institute for International Affairs Research Scholar. Sikho has published extensively on natural resource governance in Africa with a special focus on Southern Africa, the global governance of human and environmental rights in these supply chains and on multi-stakeholder initiatives in the sector. She has also published on energy pathways in the region that can advance sustainability and inclusive growth. Other research interests include work on the Investor-State Dispute Settlement Mechanism. Sikho holds a Master of Philosophy in Public Policy (Cum Laude) at the University of Cape Town.