president

noun

1. the person who holds the office of head of state of the United States government"the President likes to jog every morning"
2. an executive officer of a firm or corporation
3. the office of the United States head of state"a President is elected every four years"
4. the chief executive of a republic
5. the officer who presides at the meetings of an organization"address your remarks to the chairperson"
6. the head administrative officer of a college or university