In this talk I will present the fundamentals of Eclipse Sirius : its objectives and principles, illustrated with examples of usage in several different domains. We will also see how Sirius integrates with other modeling components to provide a complete stack for creating advanced modeling workbenches. We will end with a presentation of lastest new features and an overview of the current roadmap. speaker : Pierre-Charles is the Product Lead on Eclipse Sirius and the maintainer for GMF Runtime and EMF Services, two Eclipse projects Sirius relies on. He holds a PhD in Software Engineering from University of Nantes.