He's the big cheese in the marketing department
She always acts like she's the big cheese, even though she's just a junior manager
The new CEO is definitely the big cheese around here
In that small town, the mayor is considered the big cheese
Don't worry about the details; let the big cheese handle it
He's a real big cheese in the local business community
She was a big cheese at the university, known for her research
They invited the big cheese to the gala event
He likes to think of himself as the big cheese, but nobody really respects him
The reporter wanted an interview with the big cheese of the company
He thinks he's such a big cheese now.
I know, he changed after that promotion.
It's really annoying to deal with.
He's the most important person in marketing
She's the key decision-maker for marketing