**The big picture:** BMO successfully deployed Workday's Self-Service Agent (SSA) to 55,000 employees, leveraging AI to streamline HR tasks and improve employee experience. **Why it matters:** This case study offers a practical guide for large organizations on integrating AI into HR operations, emphasizing risk management and change leadership. **Between the lines:** - BMO's HR team collaborated with risk, compliance, legal, IT, and cyber stakeholders for a responsible AI rollout. - The SSA aims to move HR out of the "memory business," allowing employees to use natural language for information and tasks. - The initiative involved a significant exercise to consolidate and optimize HR policies and procedures within Workday. **Staffing & HR impact:** This shift frees HR business partners to focus on strategic talent initiatives rather than transactional inquiries, potentially boosting HR efficiency and recruiter mobility. Streamlined self-service can also improve employee satisfaction and retention. **The bottom line:** BMO's experience highlights the critical role of internal collaboration and change management in successful large-scale HR tech adoption.