Governance isn’t just about frameworks and tools – it’s also about people. Every control, policy, and safeguard depends on someone defining it, approving it, or monitoring it. In this chapter, I’ll walk you through the key personas that make governance work inside Microsoft 365 Copilot and Copilot Studio. You’ll see how leaders, administrators, makers, and reviewers each play a distinct role in building responsible AI systems that stay secure, compliant, and aligned with business goals.