People often wonder what exactly does a producer do? The answer is, it depends. Many people carry the title "producer" in the media, but there are all different kinds and no universal definition. In general, a producer is asked to combine creative and/or technical skills with project management duties.
In my experience, the producer is a "buck stops here" kind of job. When something goes wrong in the field, on the air or in the studio, it's the producer's job to make it work and the producer's head on the block, if it doesn't.
To give you an idea of the scope of a producer's role, here's a look at some of what a professional video producer is expected to do.