1) Certain meeting leader 2) Chair 3) Chairman 4) Chairperson 5) Committee honcho, sometimes 6) Executive post 7) President 8) Presiding officer 1) Chairlady 2) Chairman 3) Chairperson 
chairperson noun the officer who presides at the meetings of an organization; `address your remarks to the chairperson`
a woman who presides over a meeting, committee, department, etc. Also called