zarządzający in English:

He is managing the business for his father.

I was quite pleased with myself for managing a joke.

As head of the sales team she reports only to the managing director.

Guess what the managing director started off the meeting by saying. The first thing out of his mouth was an announcement of some major restructuring.

Mimura Yasuyuki (Konichika LTD, Managing Director) died of heart attack on the third, age 45.

I'm managing scraping along on a small salary.

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Our managing director is incompatible with the president.