As per http://uk.businessinsider.com/jack-dorsey-no-longer-billionaire-after-twitter-and-square-stock-drop-2016-1 and http://www.forbes.com/sites/ryanmac/2016/01/13/gopro-nick-woodman-no-longer-a-billionaire/#5a14e41d5a6014597ab85a60, jack Dorsey and nick woodman are not part of the three comma club.
Jack dorsey and nick woodman aren't billionaires anymore | Heykuki News