Olivier Bourgeois enhanced repository governance and contributor experience for the GoogleCloudPlatform/devrel-demos project by implementing foundational documentation and process improvements. He established a clear security posture and behavioral expectations through the addition of SECURITY.md and a Code of Conduct, and restructured contributor guidelines by relocating and updating CONTRIBUTING.md under the .github directory. Using Markdown and repository management skills, Olivier also cleaned up outdated documentation to align with current contribution workflows and fixed internal README links to improve navigation. The work focused on documentation hygiene and scalable collaboration, providing a solid framework for safer, faster, and more organized community participation in the repository.