Experts who have extensive knowledge/experience in one aspect of an issue (e.g. policy implementation) but not necessarily another (e.g. population genetics).
Includes policymakers, as well as your colleagues in related organizations or disciplines, or other areas (e.g. environmental lawyers)
They usually have background/ fundamental knowledge that relates to the problem at hand, but might not have seen all the angles yet.
Usually highly motivated audience, who expect your message to connect with something they already know a lot about.
They generally already have a good sense of “why” this topic matters; they will want to know why your particular detail matters.
They are looking for the “new knowledge” you bring, that will help them solve their problems!