I have to speak to the high ups about the refund.One of the higher ups is coming down to talk to you.
high-ups
People who are especially important, influential, and authoritative, often in comparison to oneself. I don't have the authority to make a decision like that—you'll have to talk to one of the high-ups.Did you hear that the high-ups want us to wear uniforms now?
high ups
and higher ups
n. the people in charge. One of the higher ups is coming down to talk to you.