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Luke Johnston estimated net worth profile

Luke Johnston net worth

Luke Johnston Net Worth 2026 (Estimated) · Founder at Cajal · YC W26
est. wealth $10.0M

Quick answer

Luke Johnston's estimated net worth is $10.0M (range $7.0M – $15.0M) as of 2026. Luke Johnston is Founder at Cajal. Cajal valuation.

Luke Johnston is Founder at Cajal (YC W26). Independent Entrepreneurial Check model estimate from public YC data.

At a glance

NameLuke Johnston
RoleFounder
CompanyCajal
YC batchW26
Est. company val$20.0M
Assumed ownership50%
Est. paper wealth / net worth$10.0M
$7.0M – $15.0M
  • Company status: Active
  • Region: United Kingdom
  • Industries: B2B
  • Team size: 2
  • Website: https://caj.al/

Who is Luke Johnston?

Luke Johnston is a co-founder of Cajal, a Y Combinator startup from the W26 batch.

About Cajal

Cajal (YC W26) is massively scaling formal verification to accelerate scientific discovery. We deploy superhuman AI mathematicians to high-impact applied domains, starting with quantum computing and finance.

We do this with Lean - a framework that allows us to formally verify any mathematical statement, grounding AI in truth and validating the tools discovered by our systems.

FAQ: Luke Johnston net worth and Cajal valuation

What is Luke Johnston's net worth?

Luke Johnston's estimated net worth is $10.0M (range $7.0M – $15.0M) as of 2026. Luke Johnston is Founder at Cajal. Entrepreneurial Check publishes an independent model-based estimate from public company and role data. Not verified net worth, and Entrepreneurial Check is not affiliated with Y Combinator or the profiled companies.

What is Cajal valuation?

Cajal's estimated valuation on Entrepreneurial Check is $20.0M. That valuation, or a disclosed round when one is public, is the source for the paper-wealth estimate. Independent model output — not a verified appraisal or official mark.

What is Luke Johnston's role?

Luke Johnston is Founder at Cajal, a Y Combinator-backed startup (batch W26).