ˌmanaging diˈrector noun [countable] British English
someone who is in charge of a large company or organization Synonym : chief executive officer

[TahlilGaran] Dictionary of Contemporary English ▲

boss the person who is in charge of you at work. Boss sounds rather informal. The usual word to use in more formal English is manager:
Does your boss know you're looking for another job?
manager the person in charge of a business such as a shop, a bank, or a hotel, or of a part of a business:
I'd like to speak to the hotel manager.
the sales manager
the manager of an Italian restaurant
head the person who is in charge of an organization or a department within that organization:
the head of the CIA
My wife's head of the French department at the university.
He was the former head of the American Cancer Society.
chief the most important person or one of the most important people in an organization such as the police, the fire department, or the army:
the chief of police
police/army/fire chiefs
Health chiefs have secured cash to build two new hospitals.
president especially American English the person who is in charge of a large company or a department within a company:
the president of CBS news
Angry shareholders called for the resignation of the company president.
managing director British English the person who is in charge of the daily management of a company or organization:
He's the managing director of a small printing firm.
chief executive (also chief executive officer, CEO) the person who is in charge of the daily management of a company:
the CEO of General Motors
Universal Studios is looking for a new chief executive.
supervisor someone who is in charge of a group of workers, whose job is to make sure that the workers do what the manager wants:
He was employed as a warehouse supervisor.
line manager the manager who is directly in charge of you in a company:
If you want to take a holiday, first ask your line manager.
report to somebody if you report to someone in a company, that person is directly in charge of you:
Jan is based in Birmingham and reports to the Head of Marketing.

[TahlilGaran] English Thesaurus ▲