Mark contributed to the Geonovum/ZON-DA repository by delivering comprehensive updates to the Patronen.md documentation, focusing on capturing stakeholder perspectives, roles, and actions. He consolidated and clarified information by adding a summary table of stakeholder interests and enhancing readability and formatting throughout the document. Using Markdown and applying technical writing and documentation skills, Mark aimed to reduce ambiguity and support onboarding for new developers and business users. His disciplined approach to version control ensured maintainability and traceability of changes. The work provided clearer governance for patronen-related decisions and fostered improved collaboration between developers and stakeholders, though no code bugs were addressed.