Which role in product discovery drives the 'why' and 'what' of the effort to ensure alignment with business value?

Answer

Product Owner.

The Product Owner is responsible for driving the strategic direction of the product discovery effort by focusing on the underlying business justification (the why) and defining the necessary scope (the what).

Which role in product discovery drives the 'why' and 'what' of the effort to ensure alignment with business value?
discoveryplatformRolestructuresystem