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Chiron

YC X25

London, GB · Founded 2023 · 2 employees · 2 known investors

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Project Chiron provides active, experimental math education for students. The company was founded by Oxford math graduates who believe math learning should be hands-on and exploratory rather than lecture-based.

Also known as Project Chiron Inc.

Developer ToolsEdTechAI-Enhanced LearningEducationUnited KingdomEurope

Founders & leadership· Y Combinator alumni (X25)

Chiron was founded in 2023 by James Booth and Max Booth.

JBJames Booth
James BoothCEOJames Booth studied mathematics at Oxford and is working on neurosymbolic approaches to mathematical problems.
MBMax Booth
Max BoothCo-FounderMax Booth studied mathematics at Oxford and is now developing tools to improve mathematics education and accessibility.

Investors · 2

Y Combinatorlisted by Y CombinatorSan Francisco · $500K

How we know: the Y Combinator directory · open dataset · 5k.vc investor directory · Not right? Tell us

Funding

SEC filings, press & company announcements

$1.1M disclosed across 1 round · 2026

Source: company announcements and press reports — follow each round's link for the claim.

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Companies working in the same space as Chiron.

Acquisitions · 1

Early investors' stakes continue via these deals
Matrix Pharmaceutical

Matrix Pharmaceutical was a Fremont, California biotech developing drug-delivery technologies, including IntraDose and tezacitabine, for treating solid-tumor cancers.

Legal entities · 1

corporate structure
Project Chiron Inc.

Companies House · registry record

View on Companies House ↗
Registered name
CHIRON LIMITED
Company number
04917896
Status
Active
Company type
Private limited company
Incorporated
1 Oct 2003
Registered office
5 Brayford Square, London, E1 0SG
Nature of business (SIC)
93199 — Other sports activities
Accounts
last made up to 31 Mar 2025 · next due 31 Dec 2026
Confirmation statement
last made up to 1 Oct 2025 · next due 15 Oct 2026

Current officers · 1

  • Joanne Elizabeth Osborne — director, appointed 12 Oct 2003

Source: Companies House public register · retrieved 24 Jul 2026. Contains public sector information licensed under the Open Government Licence v3.0.

In the news

Chiron - Grammarly for Math ✏️ycombinator.com · May 2025

Frequently asked questions

What does Chiron do?
Project Chiron provides active, experimental math education for students. The company was founded by Oxford math graduates who believe math learning should be hands-on and exploratory rather than lecture-based.
Who founded Chiron?
Chiron was founded by James Booth, Max Booth in 2023.
Who are Chiron's investors?
Chiron's investors include Blast.Club, Y Combinator.
How much funding has Chiron raised?
Chiron has disclosed $1.1M raised across 1 round.
Where is Chiron headquartered?
Chiron is headquartered in London, GB.