Leaf Nunes worked on the evergreen-ci/evergreen repository, delivering a targeted fix to improve workstation provisioning in cloud environments. By enhancing the lsblk output to include device model information and implementing precise filtering, Leaf ensured that only Amazon EBS volumes were identified and attached, preventing accidental use of ephemeral storage. This change improved the reliability and persistence of developer workstations by guaranteeing correct storage attachment. The work demonstrated practical application of Go for system administration and DevOps tasks, reflecting a strong understanding of AWS EBS concepts and device-level provisioning workflows. The contribution addressed a critical reliability issue in cloud infrastructure.