A key project stakeholder recently joined the project and is questioning some of the previously...

Reach out to the stakeholder via phone to explain that all decisions have been agreed upon with their predecessor.

Provide the stakeholder with a link to a file-sharing site where the supporting documents for decisions are filed.

Schedule a meeting with the stakeholder to provide an overview of the project, including the agreed-upon decisions.

Update the risk register with a new risk of potential project changes as a result of stakeholder misalignment.