And he's got a message for his fellow "zillionaires": the pitchforks are coming for us. The reason? Growing inequality.
Hanauer provides a road map to tackle obscene levels of economic inequality and stop a revolution in his new Ted Talk, recorded this month at TedSalon in New York City.
Watch a snippet:
Photo: GollyGforce. Used under a Creative Commons BY-SA-2.0 licence.