Is there any person in the world that actually knows what is going on 100%, I mean all leaders are corrupt?

Now I know that there have been good leaders here and then, but each one has done a corrupt deal or negotiation, whether the public knows it or not. Even leaders, I'm sure, don't even know what some branches of their government are doing. But is there someone that truly knows 100% what going on, above ground and underground. If so, how do I get his/her job?