본부장이

In a sentence

• 본부장은 회의실로 급히 들어갔다.

  The head of the headquarters quickly entered the meeting room.

  In this sentence, '본부장' ('head of the headquarters') is the subject performing the action of entering the meeting room.

• 본부장은 직원들에게 회의를 알렸다.

  The head of the headquarters informed the staff about the meeting.

  Here, '본부장' ('head of the headquarters') is the subject performing the act of informing the staff.

• 이 문제는 본부장에게 보고되어야 한다.

  This issue must be reported to the head of the headquarters.

  In this instance, '본부장' ('head of the headquarters') is the recipient of the action, indicating the target person to whom the issue must be reported.