# Jack Dorsey

> Jack Dorsey co-founded Block, Inc. (Cash App / Square) and Twitter (now X).

Source: https://www.neobank.wiki/wiki/jack-dorsey
Last updated: 2026-08-11
Categories: Financial technology, Fintech founders, People in fintech, Neobank founders

**Jack Dorsey** is co-founder of Block (parent of Cash App) and co-founder of Twitter/X of [Cash App](/wiki/cash-app). Through Block he positioned Cash App as a leading U.S. consumer finance app alongside seller payments (Square).[^fn1]

## Career

Dorsey co-founded Twitter (now [X](/wiki/x)) with Noah Glass, Biz Stone and Evan Williams, and co-founded Square/Block with Jim McKelvey. Cash App grew from Square Cash into P2P payments, debit card, investing and Bitcoin products delivered with [partner banks](/wiki/partner-bank). In 2022 [Elon Musk](/wiki/elon-musk) acquired Twitter and rebranded it to X.

## Cash App

Jack Dorsey is principally associated with [Cash App](/wiki/cash-app). See that article for products, licensing and market context.

## Infobox

- **Occupation**: Fintech founder
- **Known for**: Block / Cash App; Twitter co-founder
- **Company**: Cash App
- **Founded company**: 2009 (Square); 2013 (Cash App)
- **Associated HQ**: United States

## Frequently asked questions

### What is Jack Dorsey?

Jack Dorsey co-founded Block, Inc.


## References

[^fn1]: Jack Dorsey is a founder of Cash App, covered on neobank.wiki. — https://neobank.wiki/wiki/cash-app