http://www.inc.com/samuel-wagreich/the-4-billion-company-with-no-bosses.html

“The most astonishing aspect of life at Valve is that there are no
bosses,” said Varoufakis, an economist from the University of Athens with
notable publications on the Euro Crisis. “It contains no explicit
hierarchy. It’s based on what several members of the company have
described to me as the principles of anarcho-syndicalism. Effectively,
free association of employees with one another.”