It is easy to overlook, or even forget, that there are people, often a rather large team of them, behind the scenes who help coordinate and fuel any majorly successful artist's career-- simply because, that's the point-- the artist is the star. However, from negotiating massive record deals and brand partnerships to scheduling studio sessions, it's safe to say that a manager is a vital part of an artist's development. 

Since there is no standard set of guidelines or rulebook for the world of music management, it becomes an extremely risky business. There is a fine line between a successful and inefficient manager. We have all seen incidents resulting in managers being dropped with no explanation. High risk and high reward is the perfect way to describe it.

Who are the brave few that have reached success? Today we're highlighting fifteen of them. You may be familiar with some of these names already, while some keep a more low-key profile. Take a look. Presented in no particular order.