Synonyms for Chairperson:

n.

agent, ambassador, account executive, businesswoman, administrator, capitalist, baron, businessman, boss, businessperson. convener, contingent, discussion group, deputation, delegate, meeting. authority (noun)
chairman.
chairman (noun)
chairwoman.
chairperson (noun)
chairman, president, chairwoman, chair.
person in charge of proceedings (noun)
president, administrator, chair.

Other synonyms:

convener, deputation. contingent, discussion group. delegate. meeting. Other relevant words:
boss, administrator, meeting, convener, contingent, delegate.