From my experience, it seems bishops and stake presidents get called from all walks of life. To get called above that - mission president, GA that business success is more of a requirement.
Probably didnt have many americans about. Here we had busnissmen till an american guy who was totaly unsutable got in. He stayed around for a wile then became SP. He's bettr in the job but not good. I dont see any other reson for him to be in thie job than he's american.
The current Bish of our neighborhood is a high school janitor (insert Adam Sandler joke here). There are not too many guys in the neighborhood here that have not already been bish who would bow down and kiss the sp's boots the way that the current guy does.