The document discusses the role of librarians in supporting open data and open science to advance research and help achieve sustainable development goals. It defines open science as making research processes transparent and accessible. Librarians can advocate for open policies, develop data skills, manage repositories, and support proper data management among researchers. The African Open Science Platform aims to build capacity and infrastructure for open data across the continent through stakeholder engagement and national initiatives. Librarians are well-positioned to partner with researchers and help maximize the benefits of open approaches.