This ancient artifact is very valuable.

It is very interesting to learn about ancient history.

He is known as the supreme leader of that country.

He visited the pyramids with his Egyptian friend.

He drew a flower tile and expressed great joy.

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.

He is active as the chief information officer of our company.