I'm not sure that counts? He started at a very young age when he first started managing money. Hit a market crash, and came up with a scheme in order to get people their money's back. He had what seemed good intentions at the time, but it relied on a little bit of a ponzi-trick. The problem, is he realized later he could not possibly get his way out of it, so pretty much was committed to it until his old age.
If I remember correctly, the ponzi scheme part of the business hardly ever invested money in the market. If not never.
Would not call it exactly good intentions.