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About
Luke Johnston has a background in machine learning and neuroscience, with research experience at institutions including Oxford, Cambridge, and UCL. He is currently working on formal verification and AI at Cajal.
CTO at CajalYC W26
Intro paths
Luke went through Y Combinator (Winter 2026) — any YC alum in your network can reach them through the YC community.
Their group partner at YC was Diana Hu, General Partner at Y Combinator — the partner who ran Cajal's batch and knows the company first-hand. YC profile ↗
In turn, Luke can intro founders to Cajal's investors below.
Cajal's investors · 6
Co-founders at Cajal
Frequently asked questions
- Who is Luke Johnston?
- Luke Johnston has a background in machine learning and neuroscience, with research experience at institutions including Oxford, Cambridge, and UCL. He is currently working on formal verification and AI at Cajal.
- Where does Luke Johnston work?
- Luke Johnston is CTO of Cajal.
- What companies did Luke Johnston found?
- Luke Johnston founded Cajal.
Founder mafias
Y Combinator mafia10,594
Also came through, then founded or led a company.
Google mafia1,712
Also came through, then founded or led a company.
University of Oxford mafia782
Also came through, then founded or led a company.
University of Cambridge mafia725
Also came through, then founded or led a company.
Sir William Borlase's Grammar School mafia2
Also came through, then founded or led a company.
About this profile. Compiled from public sources — Cajal's own website and public professional profiles — and summarised by Fundraising Fox; every fact is kept with where it came from. Spotted an error, or would rather not be listed? Email privacy@fundraisingfox.com · How we build profiles · Your rights