chairperson
n. countable B2 Upper Intermediate US //ˈtʃɛɹˌpɝsən// UK //tʃˈeəpəsən// chair·per·son
n. the person in charge of a meeting or a large organization. They lead the discussion and make sure everyone follows the rules.
n. the presiding officer of a meeting, committee, or board. Often used as a gender-neutral alternative to 'chairman' or 'chairwoman'.
The chairperson opens the meeting at nine o'clock.
After hearing all arguments, the chairperson called for a formal vote to decide on the new office policy.
The success of the summit depended largely on the chairperson's ability to remain impartial while navigating the conflicting interests of the various international delegates.
From chair + person, after chairman and chairwoman.
Usage
Often shortened to 'the chair' in formal meeting contexts.