Stephan Gruijters enhanced the Geonovum/ZON-DA repository by architecting and documenting the Data Value Chain Ring Model, clarifying dataset classification and governance roles to align with the Zicht op Nederland vision. He focused on refining the datawaardeketen.md documentation, consolidating stages from data to wisdom and elaborating on data acquisition and interpretation processes. Using Markdown and technical writing skills, Stephan improved traceability and interoperability documentation, integrating the ringen model to support onboarding and cross-team collaboration. His work demonstrated depth in data architecture and documentation, ensuring that governance concepts were clearly communicated and strategically aligned for data-driven decision-making within the organization.