What are the three Scrum roles?
Answer
Scrum defines three accountabilities (the 2020 Scrum Guide replaced "roles" with "accountabilities"): (1) Product Owner — accountable for maximizing the value of the product. Manages and prioritizes the Product Backlog, defines product goals, and ensures the Developers understand backlog items. Is one person (not a committee) and has final say on what gets built; (2) Scrum Master — accountable for establishing Scrum as defined in the Scrum Guide, serving the Scrum Team, the Product Owner, and the organization. Removes impediments, facilitates Scrum events, and coaches on Scrum theory and practices; (3) Developers — the skilled professionals who create the Increment. Self-managing, cross-functional, typically 3–9 people. Accountable for creating a plan for the Sprint (Sprint Backlog) and adhering to the Definition of Done.