President (noun)

1. The head of a republic or a democratic country.
2. The head of an organization or company.
3. The head of state in some countries.

Origin:

From middle french president, from latin praesidēns.

Examples:

1. The President of the company announced the new policy.
2. The student council elected a new president to represent them.
3. The President of the country visited the flood-affected area.
4. The former president's memoir was a best-seller.
5. The President of the university announced his resignation.