A professional who directs rehearsals and broadcast of one or more radio programs for live broadcast or electronic recording. Responsibilities include:

• Selects assisting staff and performers for radio program or commercial announcement.
• Integrates various parts of program or commercial announcement to produce entertainment balance.
• Rehearses staff and performers to elicit effects desired and best possible performance.
• Establishes pace of program or commercial announcement to stay within time requirements.
• Cues announcers and technicians during program to insert spot announcements or commercials.