I would not expect any correlation between IQ and success.
A good IQ test will give you a general indication of a person's logic, reasoning and spacial abilities. It does not test one's ability to empathize or interact with others, two skills which are essential for "reaching the top".
Therefore, IQ is really only good for measuring a person's potential for gaining new knowledge quickly, not measuring what their future success should be.
Could a person's definition of success change with IQ? Many people we consider geniuses had wide ranging interests, so I'm not sure you would catch many of these people if success is defined as expertise in a specific field, as it seems to be in this article.
A good IQ test will give you a general indication of a person's logic, reasoning and spacial abilities. It does not test one's ability to empathize or interact with others, two skills which are essential for "reaching the top".
Therefore, IQ is really only good for measuring a person's potential for gaining new knowledge quickly, not measuring what their future success should be.