# Sergey Brin

id: ent_sergey-brin  
wikidata: Q92764  
kind: person  
timeline: /timelines/sergey-brin.md  
page: /record/sergey-brin  
same_as: https://asof.is/record/sergey-brin (how to cite the id: /identifiers.md)  

Sergey Brin is an American billionaire businessman. On the record, Sergey Brin is a founder of Alphabet Inc. and of Google; and a board member of Alphabet Inc., since 1998.

## Key facts

- Founder: Alphabet Inc. · claim: /claim/clm_28D849F57592.md
- Founder: Google · claim: /claim/clm_1033E07B9014.md
- Board member: Alphabet Inc. (since 1998) · claim: /claim/clm_E12D99F9F9E7.md

## Questions

**What roles does Sergey Brin hold?** Founder of Alphabet Inc., Founder of Google and Board member of Alphabet Inc. since 1998, as the AsOf record states with its sources.

**What is Sergey Brin's role at Alphabet Inc.?** Founder and Board member since 1998.

**What is Sergey Brin's role at Google?** Founder.

## Fact pages

One page per fact: the current value with its sources, then every dated value and what replaced what. Fetch any of them as markdown.

- [Sergey Brin founder roles](/record/sergey-brin/founder_of.md)
- [Sergey Brin board seats](/record/sergey-brin/board_member_of.md)

## Current state

What the record asserts: claims that held, valid by their sources or primary-sourced at confidence 0.7 or more. Unverified, disputed, retracted and review-marked claims are listed below, labelled, not here.

- [Sergey Brin](/record/sergey-brin.md) | founder_of | [Alphabet Inc.](/record/alphabet.md) | valid undated to present | conf 0.95 | valid | [clm_CE5A52061F2C](/claim/clm_CE5A52061F2C.md)
  sources: https://www.wikidata.org/wiki/Q20800404, https://www.sec.gov/Archives/edgar/data/1652044/000165204426000018/goog-20251231.htm, https://finance.yahoo.com/news/alphabet-co-founder-returns-spearhead-200023066.html
- [Sergey Brin](/record/sergey-brin.md) | founder_of | [Google](/record/google.md) | valid undated to present | conf 0.80 | valid | [clm_9E09A75EB4D6](/claim/clm_9E09A75EB4D6.md)
  sources: https://www.irozhlas.cz/veda-technologie/technologie/google-vyhledavac-dvacetiny-narozeniny-vyroci_1809041414_ako, https://www.wikidata.org/wiki/Q95, https://www.biography.com/business-leaders/larry-page
- [Sergey Brin](/record/sergey-brin.md) | board_member_of | [Alphabet Inc.](/record/alphabet.md) | valid 1998-01-01 to present | conf 0.95 | valid | [clm_33972ECC7AA9](/claim/clm_33972ECC7AA9.md)
  sources: https://www.wikidata.org/wiki/Q20800404, https://www.sec.gov/Archives/edgar/data/1652044/000130817919000205/lgoog2019_def14a.htm#lgooga028

## All claims

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

- [Sergey Brin](/record/sergey-brin.md) | president_of | [Alphabet Inc.](/record/alphabet.md) | valid 2015-10-02 to 2019-12-03 | conf 0.95 | superseded | [clm_C230B1E800BA](/claim/clm_C230B1E800BA.md)
  sources: https://www.sec.gov/Archives/edgar/data/1652044/000119312515336577/d82837d8k12b.htm, https://www.sec.gov/Archives/edgar/data/1652044/000119312519305505/d843403d8k.htm, https://www.sec.gov/Archives/edgar/data/1652044/000130817925000511/goog012701-def14a.htm
- [Sergey Brin](/record/sergey-brin.md) | founder_of | [Alphabet Inc.](/record/alphabet.md) | valid undated to present | conf 0.95 | valid | [clm_CE5A52061F2C](/claim/clm_CE5A52061F2C.md)
  sources: https://www.wikidata.org/wiki/Q20800404, https://www.sec.gov/Archives/edgar/data/1652044/000165204426000018/goog-20251231.htm, https://finance.yahoo.com/news/alphabet-co-founder-returns-spearhead-200023066.html
- [Sergey Brin](/record/sergey-brin.md) | founder_of | [Google](/record/google.md) | valid undated to present | conf 0.80 | valid | [clm_9E09A75EB4D6](/claim/clm_9E09A75EB4D6.md)
  sources: https://www.irozhlas.cz/veda-technologie/technologie/google-vyhledavac-dvacetiny-narozeniny-vyroci_1809041414_ako, https://www.wikidata.org/wiki/Q95, https://www.biography.com/business-leaders/larry-page
- [Sergey Brin](/record/sergey-brin.md) | board_member_of | [Alphabet Inc.](/record/alphabet.md) | valid 1998-01-01 to present | conf 0.95 | valid | [clm_33972ECC7AA9](/claim/clm_33972ECC7AA9.md)
  sources: https://www.wikidata.org/wiki/Q20800404, https://www.sec.gov/Archives/edgar/data/1652044/000130817919000205/lgoog2019_def14a.htm#lgooga028

---

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