When Intel was on top of the world I was fortunate enough to work at one of the partner companies on a project that was a pet project of Andy Grove. I would nominate him and his whole C suite as a beacon of ethics and fair dealing.

I would say Patagonia would be considered such a flicker.

They exist but their defining characteristic seems to be that they are not well-known and generally much less wealthy than celebrity CEOs.

Similar to the music world, the better you are, usually the more obscure you are as well. (e.g., Allan Holdsworth is a name known to most pros but the average Jack or Jill have no idea who he is or why he's considered important.)

Every Wall Street bank is run by guys who get that there are rules to this game and you don't squeeze the unsophisticated the same way. The same can't be said for Silicon Valleys contribution to the brokerage world.