Which of the following roles is responsible for historical expertise and input into the project deliverables?

A Scheduler is responsible for building and maintaining the project schedule, not providing historical domain expertise.

A Team member executes assigned tasks and produces work products, but is not specifically designated to provide historical expertise or strategic input into deliverables.

A Sponsor provides funding, high-level authority, and business justification, not historical technical or operational expertise.

In project management, a functional manager or subject matter manager provides historical expertise and domain-specific input into deliverables. This role bridges organizational knowledge with project needs, ensuring deliverables align with established standards and past practices within the department or function.