A professional who announces radio and television programs to audience. Responsibilities include:

• Memorizes script, reads, or ad-libs to identify station, introduce and close shows, and announce station breaks, commercials, or public service information.
• Cues worker to transmit program from network central station or other pick-up points according to schedule.
• Reads news flashes to keep audience informed of important events.
• May rewrite news bulletin from wire service teletype to fit specific time slot.
• May describe public event such as parade or convention.
• May interview guest, such as sport or other public personality, and moderate panel or discussion show to entertain audience.
• May keep daily program log.
• May operate control console (radio board).
• May perform additional duties in small stations, such as operating radio transmitter (transmitter operator ), selling time, or writing advertising copy.
• May be designated according to media as Radio Announcer; Television Announcer.
• May announce program of local interest and be designated Local Announcer.
• May announce program for transmission over network and affiliated stations and be designated Network Announcer.
• May announce in foreign language for international broadcast and be designated Announcer, International Broadcast.
• May describe sporting event during game from direct observation or announce sports news received at station for radio or television broadcasting and be designated Sports Announcer.