She is the Managing Member of KR Mthimunye CA (SA) where her responsibilities include provision of general financial, accounting and auditing services, analysis of operational efficiencies and evaluation of policies and procedures. Mrs Mthimunye is also a part time member of the National Energy Regulator of South Africa and also serves on the boards of both private and public companies including the State Information Technology Agency, Council for GeoScience and the audit committees of the Central Energy Fund and Strategic Fuel Fund. Her corporate experience was acquired at companies including BHP Billiton SA, where she was Manager: Strategy and Business Development, Gensec Bank and ABSA, Southern Bank of SA and Thebe Investments Limited.