How did Jonathan Gray become Blackstone’s latest billionaire?

From the December issue: Jon Gray isn’t Warren Buffett, but he and the Oracle of Omaha do have a few things in common: Both are billionaires. Both are reportedly humble about their outrageous financial success. And both like to be in the thick of things.

But Gray, who heads up the Blackstone Group’s real estate division, is a far newer member of the billionaires’ club. [more]