Jack Dorsey — SPARQNOW

At-a-Glance

CEO of Block.
Co-founder of Twitter, Inc., serving as CEO from 2007–2008 and 2015–2021.
Co-founder, principal executive officer, and chairman of Block, Inc., developer of the Square financial services platform.
Founder of Bluesky.
Attended the University of Missouri–Rolla and New York University.

Biography

Jack Patrick Dorsey is an American businessman known for co-founding Twitter, Inc. and Block, Inc. He served as CEO of Twitter from 2007 to 2008 and again from 2015 to 2021. Currently, he is the CEO, principal executive officer, and chairman of Block, Inc., which develops the Square financial services platform. Dorsey is also the founder of Bluesky.

Born on November 19, 1976, and raised in St. Louis, Missouri, Dorsey developed an interest in dispatch routing by age 14.