big wheel

US /bɪɡ wiːl/
UK /bɪɡ wiːl/
"big wheel" picture
1.

pez gordo, persona influyente, mandamás

an important and influential person, especially in a company or organization

:
He thinks he's a big wheel in the company, but nobody really listens to him.
Él cree que es un pez gordo en la empresa, pero nadie le hace caso.
The new CEO is a real big wheel in the tech industry.
El nuevo CEO es un verdadero pez gordo en la industria tecnológica.