The head or president of an organization or association; the person who chairs meetings or represents a group.
学会の会長が式典で挨拶をした。
The president of the academic society gave a greeting at the ceremony.
新しい会長は来月から職務を始める。
The new chairman will begin duties next month.
会長の指示でプロジェクトチームが結成された。
A project team was formed under the chairman's direction.