# Mark Zuckerberg founder roles

entity: /record/mark-zuckerberg.md  
predicate: founder_of  
page: /record/mark-zuckerberg/founder_of  
as_of: 2026-11-08  
cite: AsOf. "Mark Zuckerberg founder of: Facebook", undated. Claim clm_B2059DF137FB, https://asof.is/claim/clm_B2059DF137FB, accessed 2026-11-08. Source: https://www.wikidata.org/wiki/Q355.  

As of November 8, 2026, the AsOf record says Mark Zuckerberg is a founder of Facebook and Meta Platforms, from 2 secondary sources (meta.com and ebsco.com).

2 claims on Mark Zuckerberg's founder roles, 2 open and 0 superseded, each dated and sourced; a replaced value is closed with an end date, never deleted.

## Current founder roles

What the record asserts on 2026-11-08.

- [Mark Zuckerberg](/record/mark-zuckerberg.md) | founder_of | [Facebook](/record/facebook.md) | valid undated to present | conf 0.80 | valid | [clm_B2059DF137FB](/claim/clm_B2059DF137FB.md)
  sources: https://www.wikidata.org/wiki/Q355, https://www.meta.com/about/leadership/mark-zuckerberg/, https://www.ebsco.com/research-starters/history/meta/
- [Mark Zuckerberg](/record/mark-zuckerberg.md) | founder_of | [Meta Platforms](/record/meta.md) | valid undated to present | conf 0.80 | valid | [clm_A0E587C67263](/claim/clm_A0E587C67263.md)
  sources: https://www.wikidata.org/wiki/Q380, https://www.ebsco.com/research-starters/history/meta/, https://vectorshift.ai/research/companies/meta-platforms/people/mark-zuckerberg

## Every dated value

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 Superseded claims stay visible.

- [Mark Zuckerberg](/record/mark-zuckerberg.md) | founder_of | [Facebook](/record/facebook.md) | valid undated to present | conf 0.80 | valid | [clm_B2059DF137FB](/claim/clm_B2059DF137FB.md)
  sources: https://www.wikidata.org/wiki/Q355, https://www.meta.com/about/leadership/mark-zuckerberg/, https://www.ebsco.com/research-starters/history/meta/
- [Mark Zuckerberg](/record/mark-zuckerberg.md) | founder_of | [Meta Platforms](/record/meta.md) | valid undated to present | conf 0.80 | valid | [clm_A0E587C67263](/claim/clm_A0E587C67263.md)
  sources: https://www.wikidata.org/wiki/Q380, https://www.ebsco.com/research-starters/history/meta/, https://vectorshift.ai/research/companies/meta-platforms/people/mark-zuckerberg

## Questions this record answers

### What is Mark Zuckerberg founder of?

Facebook and Meta Platforms, as the record asserts on November 8, 2026, from 2 secondary sources (meta.com and ebsco.com).


## Read on

- This page: /record/mark-zuckerberg/founder_of (markdown: /record/mark-zuckerberg/founder_of.md)
- Entity twin: /record/mark-zuckerberg.md · timeline: /timelines/mark-zuckerberg.md

---

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