Chimwemwe leads the African Medicines Regulatory Harmonization (AMRH) Initiative at the African Union Development Agency (AUDA-NEPAD). She responsible for the management of the AMRH Initiative and leading the technical support to the operationalization of the African Medicines Agency (AMA). She is leading policy reforms linking regulatory systems strengthening to procurement in support of local manufacturing of medical products and technologies. As a health policy specialist, she has spearheaded health policy and regulatory reforms, regional harmonization and partner coordination. She has contributed to key continental policies including the AU Model Law on Medical Product Regulation; the Treaty for the establishment of the African Medicines Agency (AMA); and the AU Private Sector Engagement in Health Framework.