The United States Agency for International Development (USAID) is seeking input for the Health System Strengthening (HSS) Flagship Activity in Indonesia, aimed at enhancing accountability and improving health outcomes, particularly in Maternal and Child Health, Tuberculosis, HIV, and Global Health Security. This Request for Information (RFI) invites organizations experienced in HSS projects to provide innovative strategies and feedback on the draft activity description, focusing on key objectives such as health financing, information systems, human resources, integrated care, and evidence-based policy development. The RFI emphasizes collaborative partnerships to address Indonesia's significant health challenges and is not a solicitation for applications or proposals; responses are due by January 30, 2024. Interested parties can contact Mark Poubelle at mpoubelle@usaid.gov for further information.