@alex Some people would argue that the real power belongs to trillionaire families that fly under the radar, and not individual billionaires -- the Rothschilds being the most bandied about name.
I personally don't have a clue, and I certainly don't know if the above is true. The world is too complex a place for me, and too many random events are set off all the time. Folks perceive whatever patterns they want, depending on their orientation.