Staff management is the management of subordinates in an organization. Often, large organizations have many of these functions performed by a specialist department, such as personnel or human resources, but all line managers are still required to supervise and administer the activities, and ensure the well-being, of the staff that report to them. Staff management is the management of subordinates in an organization. Often, large organizations have many of these functions performed by a specialist department, such as personnel or human resources, but all line managers are still required to supervise and administer the activities, and ensure the well-being, of the staff that report to them.