He served on the board of directors of a local bank.

I thought of a number of names right away: the owner of our local bookstore, who let me and my little son in before the store opened and offered to play his favorite songs; our babysitter, who dropped off a bag of old board games for our kids to play; ...

You should involve the change board in a local work item only if the change might significantly affect the subsystem's schedule and therefore the supersystem's schedule as well.