Cédric Brun CEO at Obeo
Practical perspectives on MBSE, SysML v2, modeling platforms and industrial open source, grounded in twenty years of building the technologies behind them.
Featured article
Practical examples from MODELS 2026 of how systems engineers can use AI for Capella today to explore architectures, question designs, and prepare changes for review.
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Understand the standard, what changes from SysML v1, and how to plan practical adoption.
Discover an open-source, web-based environment for building and sharing SysML v2 models.
Combine method-led MBSE practice with an established open ecosystem and emerging standards.
Recent writing
A practical account of three-point estimation for developers and project leaders who need to estimate effort without hiding uncertainty behind a single number.
A reflection from my SLE 2026 keynote on how each generation of language engineering moved the problem: from metamodels and editors to platforms, communities, practices, and human-agent collaboration.
A practical look at AI for Capella for MBSE teams, starting with controlled agent access that keeps engineers responsible for model decisions.
An overview for the Capella and MBSE community of Obeo's new contributions to Capella, SysML v2 interoperability, simulation, AI, and Capella Days.
Capella Days 2025 takeaways: MBSE creates value when models power operations; themes on shared infrastructure, accessibility, and governance—practical guidance for teams scaling Capella.
A tour of the small interaction and customization improvements in Sirius Web 2025.10 that make diagram editing more predictable, fluid, and trustworthy.