# X founder

entity: /record/x.md  
predicate: founder  
page: /record/x/founder  
as_of: 2026-11-02  

As of November 2, 2026, X's founders on the AsOf record are Jack Dorsey and Biz Stone, each a claim of its own with its date, from 5 sources in all. The record holds 3 claims on X's founder, 3 still open and 0 superseded, each dated and sourced; a replaced value is closed with an end date, never deleted.

## Current founder

What the record asserts on 2026-11-02.

- [X](/record/x.md) | founder | Jack Dorsey | valid undated to present | conf 0.80 | valid | [clm_10D57145AB79](/claim/clm_10D57145AB79.md)
  sources: https://research.contrary.com/company/x, http://www.europe1.fr/economie/jack-dorsey-confirme-aux-commandes-de-twitter-2524801, https://www.wikidata.org/wiki/Q918
- [X](/record/x.md) | founder | Biz Stone | valid undated to present | conf 0.80 | valid | [clm_2CE792807665](/claim/clm_2CE792807665.md)
  sources: https://www.shortform.com/blog/creation-of-twitter/, https://www.wikidata.org/wiki/Q918, https://www.ebsco.com/research-starters/biography/biz-stone/

## Every dated value

One claim per line, oldest first. Superseded claims stay visible.

- [X](/record/x.md) | founder | Jack Dorsey | valid undated to present | conf 0.80 | valid | [clm_10D57145AB79](/claim/clm_10D57145AB79.md)
  sources: https://research.contrary.com/company/x, http://www.europe1.fr/economie/jack-dorsey-confirme-aux-commandes-de-twitter-2524801, https://www.wikidata.org/wiki/Q918
- [X](/record/x.md) | founder | Biz Stone | valid undated to present | conf 0.80 | valid | [clm_2CE792807665](/claim/clm_2CE792807665.md)
  sources: https://www.shortform.com/blog/creation-of-twitter/, https://www.wikidata.org/wiki/Q918, https://www.ebsco.com/research-starters/biography/biz-stone/
- [X](/record/x.md) | founder | Noah Glass | valid undated to present | conf 0.60 | unverified | [clm_5D0064B4D646](/claim/clm_5D0064B4D646.md)
  sources: https://www.adweek.com/performance-marketing/noah-glass-twitter/, https://www.wikidata.org/wiki/Q918

## Questions this record answers

### Who are X's founders?

Jack Dorsey (undated) and Biz Stone (undated), as the record asserts them on November 2, 2026.


## Get this data

- JSON: /v1/entities/x/founder (this fact) · /v1/entities/x?predicates=founder (with the entity's coverage; add as_of=YYYY-MM-DD for a date)
- MCP: timeline(entity: "x", predicates: ["founder"]) for every dated value · fetch(id: "/record/x/founder.md") for this page
- Entity twin: /record/x.md · timeline: /timelines/x.md

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AsOf is a temporal fact ledger: a structured, dated, sourced record of what is true and what changed, built for AI retrieval.