Here's the list of top 10 unhappiest jobs of 2014. Most of these jobs require a pretty high education background. However, it says that they are unhappy jobs. Education doesn't even matter to happiness which could be the success.
This is from cnn webstie, about Steve Jobs. Steve Jobs attended college, but dropped out after the first semester. I believe this fact would be great for introduction, since lots of people use Apple products, and we know that Apple is a successful company (Hook).
http://www.slice.ca/money/photos/Top-10-Unhappiest-Jobs-of-2014/#!31b7ce955ed90de803f4db5d40836afa