Ackman may end up being right about Herbalife, a company he says is operating a pyramid scheme.

FORBES: Carl Icahn's Herbalife Battle Against Bill Ackman Is Probably Not 'Fun' For Pershing Square's Investors

Whether Ackman is proved right or not, the way that CEO Michael Johnson has been compensated resembles a pyramid scheme.

FORBES: Pyramid CEO Compensation at Herbalife