The GIF Risk and Safety Working Group (RSWG) facilitates collaboration among member countries to share expertise, methodologies, and best practices in risk and safety assessments for Generation-IV reactors. It also works towards the development of international safety criteria, guidance and methodologies for Generation-IV nuclear reactors, providing designers of Generation IV systems with concepts and methods that can help guide their R&D activities in a way that promotes a strong safety basis and efficient licensing of advanced nuclear technologies.