He is a famous author and a person who is respected by many people.

Power often changes people.

The sultan is the supreme ruler of that country.

This is my highest record.

My country is blessed with beautiful nature.

He is known as the supreme leader of that country.

He was promoted to the chief operating officer of the company.

He was appointed as the chief financial officer of our company.

He was appointed as the chief executive officer of the company.

He is the chief technical officer of our company.