Jack Dorsey - report
American software entrepreneur, Twitter co-founder
Jack Patrick Dorsey is an American Internet entrepreneur, philanthropist, and programmer who is a co-founder and former CEO of Twitter, Inc., as well as co-founder, principal executive officer and chairperson of Block, Inc., the developer of the Square financial services platform. He is also a co-founder of Bluesky, PBLLC, where he currently sits on the board of directors, with Jay Graber serving as CEO.