主席 in English:

They elected him chairman.

She attended the meeting at the request of the chairman.

I've spent so many years as chairman that I feel it's time I stepped down.

Nobody argued against choosing him as chairman.

I'll recommend him as chairman, whether you are in favor of it or not.

Anxious for a quick decision, the chairman called for a vote.

Yuri Andropov was elected Chairman of the Presidium of the Supreme Soviet on June 16, 1983.

Any such objection must be referred to the chairman of the meeting, whose decision is final.

The company was established in 1950 by the incumbent chairman.

This further proof that the chairman of the board is a few croutons short of a salad.

chairman of solidarity

chair -> chairman

We must find the money, Madam Chairman, for the sake of the children.

Kindly address yourself to the chairman, not directly to other representatives at this meeting.

Mr Chairman, what needs moving next, again? "Scoreboard, giant ball and the tug-of-war rope."