also: チェアパースン
noun
Gender-neutral term for the presiding officer of a meeting or organization, borrowed from English.
会議のチェアパーソンが議題を読み上げた。
The chairperson of the meeting read out the agenda.
議長 is the standard Japanese term for chairperson or speaker, used in formal settings such as parliaments and committees. チェアパーソン is a loanword that emphasizes gender neutrality and is more common in international or progressive contexts.
チェアマン is the older loanword 'chairman', which is gender-specific. チェアパーソン is the gender-neutral alternative.
Borrowed from English 'chairperson', a gender-neutral alternative to 'chairman'.