per‧son‧nel S3 W3
the people who work in a company, organization, or military force [↪ staff]
military/medical/technical etc personnel
senior military personnel
doctors and other medical personnel
All personnel are to receive security badges.
the department in a company that chooses people for jobs and deals with their complaints, problems etc [= human resources]:
A copy should then be sent to Personnel for our files.
the personnel department