Tell your audience the main people that will be involved in driving this product through the various stages, whether from their hands-on work, approvals, contributions, or feedback. Briefly state their roles and their key responsibilities within the project.
Resources
(Point your audience towards any other relevant resources besides this product brief that may provide them with more information should they be interested. This could include documentation, decks, design files, etc.)
[Sender.FirstName][Sender.LastName]
[Sender.Company]