The highest-ranking corporate officer or executive officer of a corporation, company, or agency, responsible for carrying out the policies of the board of directors on a day-to-day basis; CEO.
An administrator, for a singer or group.
A person whose job is to manage something, such as a business, a restaurant, or a sports team.
A window or application whose purpose is to give the user the control over some aspect of the system.
The head coach.