This document summarizes T-Mobile's journey to achieving business agility through HR continuous delivery. It discusses three initiatives between 2012-2020 to implement agile and DevOps practices within HR technology and processes. The most recent initiative from 2017-2020 focused on business and technology alignment, prioritizing value and outcomes, improving flow from idea to feedback, and establishing a collaborative culture. Metrics showed improvements in areas like lead time, deployments, and business satisfaction. The document advocates for empathy, resilience, and joy in change efforts through listening, empowerment, and continuous improvement.