chairman
[noun]
Synonyms: director, chairperson, chairwoman, master of ceremonies, president, speaker, spokesman

[TahlilGaran] English Synonym Dictionary ▲

chair‧man S3 W1 /ˈtʃeəmən $ ˈtʃer-/ noun (plural chairmen /-mən/) [countable]

1. someone, especially a man, who is in charge of a meeting or directs the work of a committee or an organization ⇒ chairwoman
chairman of
Potts was appointed chairman of the education committee.
deputy/vice chairman
Barrett serves as vice chairman.
► Many people use chairperson or chair instead, to avoid suggesting that this person must be a man.

2. British English someone who is in charge of a large company or organization:
the chairman of British Aerospace
Williams has been chairman of the board for five years.

[TahlilGaran] Dictionary of Contemporary English ▲