Jack Dorsey

Founder & CEO

Co-founder and CEO of Block (formerly Square). Also co-founded Twitter. Born in St. Louis, Missouri, conceived the idea for Square in 2009 when his friend Jim McKelvey couldn't accept a credit card payment for his artwork. Renamed the company from Square to Block in 2021.

Overview

Companies
1
Roles
Founder & CEO

Companies

1 company
Block $590M
Public Founder & CEO

Financial technology company (formerly Square) building economic empowerment tools including the Square point-of-sale ecosystem, Cash App peer-to-peer payments, Afterpay buy-now-pay-later, and Bitcoin-focused initiatives.

Founder data is compiled from company records, public announcements, and verified sources. Roles reflect current or most recent known positions.