Guoxuan Xu enhanced the internal staff directory for the kshannon-ucsd/dsc40a repository by adding a comprehensive new staff profile using YAML for structured data management. He focused on improving onboarding and searchability by ensuring the profile included detailed metadata such as name, email, role, website, photo, description, hometown, and interests. The technical approach centered on maintaining data consistency and repository readiness, with careful updates to photo hyperlinks and hometown text to support accurate staff representation. Guoxuan’s work demonstrated proficiency in data management and YAML, delivering a targeted feature that improved the accuracy and maintainability of the staff directory system.