During June 2025, Joseph Kumwenda focused on enhancing the reliability and maintainability of the UCL/TLOmodel repository by refactoring resource path handling within simulation modules. He centralized the management of resource file paths, ensuring consistent propagation from the Simulation constructor to all dependent components. This Python-based refactor addressed recurring resource access errors, reducing runtime failures and improving the stability of continuous integration workflows. Joseph applied his skills in code maintenance, refactoring, and software architecture to standardize resource access, making the simulation logic more robust and easier to test. The work laid a solid foundation for future enhancements and streamlined development.