'Chief Priests' in the Bible

Now when they heard these words, both the priest and captain of the temple and the chief priests were in the utmost perplexity concerning these things, what could be the meaning of it.

and here he hath authority from the chief priests to bind all that call upon thy name.

And all who heard him were amazed, and said, Is not this the man who made havoc at Jerusalem, among those who called on this name? and hither he came for this purpose, that he might carry them in chains unto the chief priests?

Which also I did at Jerusalem: and many of the saints did I shut up in prisons, having received authority from the chief priests; and when they were killed, I gave my vote against them.

In which pursuits, even as I was going to Damascus with authority and a commission from the chief priests,