True, although he abandoned Infogami to start reddit, which he left to start the rest (and that's after starting a few other now-neglected projects like the Alex Kozinski Site (http://notabug.com/kozinski/) and a proto-Wikipedia at http://theinfo.org/).

He appears to be very smart -- but a little too brilliant (http://taoyue.com/stacks/articles/brilliant-men.html).