# Jack Dorsey

Jack Dorsey co-founded Twitter and invented the 140-character tweet, and also founded Square (now Block), the financial services company that brought card payments to small businesses via a simple dongle. A minimalist and Bitcoin evangelist, he resigned from Twitter's CEO role and later saw the platform acquired by Elon Musk.

## Quick Facts

- **Born:** November 19, 1976
- **Birthplace:** St. Louis, United States
- **Nationality:** American
- **Occupation:** Social Media / Fintech
- **Category:** Entrepreneurs
- **Net Worth:** $5.5B (est. 2025)
- **Also Known As:** The Tweet Guy, Square Jack

## Overview

Jack Dorsey co-founded Twitter and invented the 140-character tweet, and also founded Square (now Block), the financial services company that brought card payments to small businesses via a simple dongle. A minimalist and Bitcoin evangelist, he resigned from Twitter's CEO role and later saw the platform acquired by Elon Musk.

## Profile Focus

Jack Dorsey is profiled in Peoplebio under Social Media / Fintech. Current rank signal: #324. Trend score: 68.9.

## Public Impact

This entry tracks Jack Dorsey's relevance in Entrepreneurship using structured profile metadata, trend signals, and ongoing editorial updates.

## Timeline

### 1976 — Birth
Born in St. Louis, United States

### 2026 — Profile Created
Jack Dorsey was added to the Peoplebio knowledge graph.

### 2026 — Profile Enrichment Update
Bio sections, timeline, quick facts, and profile notes were expanded.

## Quotes

> "Profile note: Jack Dorsey is tracked in Peoplebio for impact in Social Media / Fintech."
> — Jack Dorsey, Peoplebio editorial note (2026)

> "Profile summary: Jack Dorsey co-founded Twitter and invented the 140-character tweet, and also founded Square (now Block), the financial services company that brought card payments to small businesses via a simple dongle."
> — Jack Dorsey, Peoplebio editorial note (2026)

> "Editorial note: This profile was enriched with structured overview blocks."
> — Jack Dorsey, Peoplebio editorial note (2026)

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Source: https://peoplebio.info/p/jack-dorsey