The producer is the leader of the film production team whose responsibility is to coordinate from start to end. The project incorporates and accomplished only because of producer. Producer is the one who delivers the finished product, i.e. complete film and it is absolutely clear that a producer is the decision maker.
The producer has to coordinate with Director, Screenwriter, Production Designer, Art Director, Costume Designer, Cinematographer, Editor, Actors, and Music Supervisor. The producer should be familiar with all the subordinates as well as with the roles which they would be performing on that project, in order to manage all things on time. A producer should have a motivational and inspirational spirit in him.