# Jack Dorsey timeline

entity: /record/jack-dorsey.md  
id: ent_jack-dorsey  

Jack Dorsey's timeline holds 6 people claims from 2009 to 2015. 3 are undated. The latest took effect on September 30, 2015.

Kinds: People 6 (/timelines/jack-dorsey.md?kind=people) · Money & deals 0 (/timelines/jack-dorsey.md?kind=money) · Products 0 (/timelines/jack-dorsey.md?kind=products) · Models 0 (/timelines/jack-dorsey.md?kind=models) · Other 0 (/timelines/jack-dorsey.md?kind=other) · every kind: /timelines/jack-dorsey.md  
Format: date | kind | predicate | value | status | claim.

## 2009

- 2009-02-01 | people | founder_of | [Block, Inc.](/record/block.md) | unverified | [clm_DD74172A57D4](/claim/clm_DD74172A57D4.md)
- 2009-07-01 | people | ceo_of | [Block, Inc.](/record/block.md) | valid | [clm_E94C4CA5C0E0](/claim/clm_E94C4CA5C0E0.md)

## 2015

- 2015-09-30 to 2021-11-29 | people | ceo_of | [Twitter, Inc.](/record/twitter-inc.md) | superseded | [clm_AFDF7C7A62D5](/claim/clm_AFDF7C7A62D5.md)

## undated

- undated | people | chair_of | [Block, Inc.](/record/block.md) | valid | [clm_B65BC25E3B00](/claim/clm_B65BC25E3B00.md)
- undated | people | founder_of | [X](/record/x.md) | valid | [clm_0A9E8895ACF7](/claim/clm_0A9E8895ACF7.md)
- undated | people | founder_of | [Bluesky](/record/bluesky.md) | unverified | [clm_807D7941E67D](/claim/clm_807D7941E67D.md)

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