It was maintained by the primary author of the setting, Terry K. Amthor of Eidolon Studio (who also holds the trademark for Shadow World, and copyrights for non-gaming fiction related to the world), until his death.
It was overseen by the primary creator of the setting, Terry K. Amthor of Eidolon Studio (who also owns the trademark for Shadow World and copyrights for non-gaming fiction related to the world), until his passing.