That’s an important distinction for if you are talking about internal community as opposed to customer community for a company. That could be more categorized as a “Human Resources” management position, you may be able to make post for that in the marketplace here. Also there is a discourse site called “Rad H.R.” that may be good resource:
That site has member here: @carbonrich
There is also a new undergrad major for “Community, Environment, and Planning” at the UW CBE here you could try recruiting from those graduates is only about 20 per class:
That is part of the college of built environments at UW they have some public events posted at their calendar and I can invite guests to Alumni events.