Add moderators and owners in Yahoo Groups
Monitor your group more effectively by promoting up to 15 members to either a moderator or owner role. Newly promoted members can only moderate content created after they're appointed.
- Sign in to Yahoo Groups.
- Open your group.
- Click Management | Manage Members.
- Click the name of the member you'd like to promote.
- Next to "Role," select Owner or Moderator.
- Click Save.