Find your path to Luke
734 people in our graph share verified history with Luke — schools, employers, funds. One of them is your warm intro.
MariaunlockedLuke: together at University of Oxford (2020–2022)
×2Luke: together at University of Oxford
Luke: together at University of Cambridge
×8Luke: together at Y Combinator
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.
Founder at CajalYC W26
Intro paths
YC
Luke went through Y Combinator (Winter 2026) — any YC alum in your network can reach them through the YC community.
GP
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 ↗
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In turn, Luke can intro founders to Cajal's investors below.
Cajal's investors · 3
Co-founders at Cajal
PN
Pedro NobreFounder
Experience
- CajalCo-Foundercurrent2025 — present
- Y CombinatorW262026
- Entrepreneurs FirstFounder in Residence2025Bückeburg / San Francisco
- GoogleCourse Instructor2025
- UCLResearch Intern2024 — 2025
- EurofinsData Scientist2021 — 2022
- Oxford e-Research CentreMachine Learning Intern2021
- Scholars X CorporationLecturer2020 — 2021
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 Founder of Cajal.
- What companies did Luke Johnston found?
- Luke Johnston founded Cajal.
- Where did Luke Johnston go to school?
- Luke Johnston studied at University of Cambridge (Master of Philosophy - MPhil, Machine Learning and Computational Neuroscience); University of Oxford (Bachelor of Engineering - BA, Engineering); Sir William Borlase's Grammar School.
Founder mafias
Y Combinator mafia10,230
Also came through, then founded or led a company.
Sam AltmanPresidentFounded Tools for Humanity +3Garry TanPresident & CEOFounded Y Combinator +1Jessica LivingstonCo-founderFounded Y CombinatorAlexis OhanianPartnerFounded RedditFred EhrsamYC Summer 2012Founded Nudge +1Matt HuangYC Winter 2011Founded Paradigm +1
+ 10,223 more
University of Oxford mafia622
Also came through, then founded or led a company.
Reid HoffmanM.St.Founded LinkedIn +2Gabriel PereyraDropped outFounded HarveyBrent HobermanMaster of Arts - MAFounded Founders Pledge +4Kevin HartzMstFounded Eventbrite +3William GuttmanM.PhilFounded CurvePoint +3Tom BlomfieldMaster's DegreeFounded Starling Bank +2
+ 615 more
University of Cambridge mafia589
Also came through, then founded or led a company.
Stewart ButterfieldMPhilFounded Flickr +1Demis HassabisBAFounded Google Deepmind +2C. Giovanni TraversoMBFounded Teal Bio +4Immad AkhundMaster of Arts (M.A.)Founded Mercury Technologies, Inc. +3Inaki BerenguerMasterFounded InfiniteWatch +2Harish AgarwalMaster of Philosophy - MPhilFounded Nori +2
+ 582 more
Sir William Borlase's Grammar School mafia2
Also came through, then founded or led a company.
Same school
Also attended University of Cambridge1,491
Stewart ButterfieldCo-founder of Slack and FlickrDemis HassabisCo-founder & CEO of Google DeepMindNiko BonatsosFounder and Managing Partner of VerdictGeorgia StevensonInvestor at Index VenturesHannah SealInvestor at Index VenturesLeah von SiemensPartner at Manta Ray Ventures
+ 1,485 more
Also attended University of Oxford1,657
Reid HoffmanCo-founder of LinkedIn; Partner at GreylockMichael MoritzFormer Partner at Sequoia Capital; Senior Adviser at Sequoia HeritageGabriel PereyraCo-founder & President of HarveyDominic JacquessonInvestor at Index VenturesErin Price-WrightInvestor at Index VenturesJan HammerInvestor at Index Ventures
+ 1,651 more
Shared employers
Also worked at Cajal1
Also worked at Y Combinator424
Garry TanPresident & CEO of Y CombinatorJessica LivingstonCo-founder of Y CombinatorDaniel GrossMeta Superintelligence Labs; co-founder of NFDG and Safe SuperintelligenceAlexis OhanianFounder & General Partner of Seven Seven SixMichael SeibelPartner Emeritus at Y CombinatorDalton CaldwellCo-founder of Standard Capital; Partner Emeritus at Y Combinator
+ 418 more
Also worked at Entrepreneurs First735
Reid HoffmanCo-founder of LinkedIn; Partner at GreylockToby CoppelCo-founder and Partner at Mosaic VenturesBenedict EvansWrites a weekly technology newsletter read by close to 200,000 peoplePeterDeep Tech Investment Lead at Hummingbird VenturesAniTalent Team at Hummingbird VenturesIsabel FoxHead of Investor Relations at Hoxton Ventures
+ 729 more
Also worked at Google2,000
Kai-Fu LeeChairman of Sinovation Ventures and CEO of 01.AIBrian SingermanCo-founder of GPx; Partner Emeritus at Founders FundHunter WalkCo-founder & Partner at HomebrewAydin SenkutFounder & Managing Partner at FelicisLaela SturdyManaging Partner at CapitalGArash FerdowsiCo-founder of Dropbox
+ 1,994 more