The research activity will focus on integrating the social sustainability dimension into the SSbD/LCA framework developed within the BLESS project. The research assistant will support the analysis of the state of the art of Social Life Cycle Assessment (S-LCA) methodologies, social indicators and socio-economic approaches applicable to product and process assessment, integrating innovative developments to fill methodological gaps. The activities will include the definition of criteria and indicators for evaluating social aspects along the life cycle, the analysis of stakeholder needs and requirements, and the support of stakeholder engagement activities involving industrial partners and other relevant actors participating in the project.