Conversation so far:
the supervisory counsellor is the equivalent of the commissioner at what level of government
The equivalent of a commissioner at the local government level is the supervisory councillor.
What does being a commissioner entail?
A commissioner is, in principle, a member of a commission or an individual who has been given a commission, authority to do something.
What does being a supervisory counsellor entail?
Counselling supervisors have the responsibility to provide ongoing training in the context of related supervised experiences to enable supervisees to deliver effective and ethical services

Question: Where else do the officials exist?
Self-contained rewrite: Where do commissioners exist outside of government?