With 4 Head admins and 4 Super admins I don't think they need any more as of right now, I also think you should build up more experience as a super admin, other than that you're a good candidate.

With 4 Head admins and 4 Super admins I don't think they need any more as of right now, I also think you should build up more experience as a super admin, other than that you're a good candidate.