Find your path to Niall
1,313 people in our graph share verified history with Niall — schools, employers, funds. One of them is your warm intro.
Paul KwanunlockedNiall: together at Stanford University (2022–2026)
Niall: together at Stanford University
×10Niall: together at Y Combinator
About
Niall Kehoe is a computer science graduate from Stanford who previously worked at Two Sigma and conducted research at Harvard Medical School and Stanford. He is currently CTO of Sylvian.
Founder at SylvianYC F25
Intro paths
YC
Niall went through Y Combinator (Fall 2025) — any YC alum in your network can reach them through the YC community.
GP
Their group partner at YC was Aaron Epstein, General Partner at Y Combinator — the partner who ran Sylvian's batch and knows the company first-hand. YC profile ↗
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In turn, Niall can intro founders to Sylvian's investors below.
Sylvian's investors · 1
Co-founders at Sylvian
WH
William HuangFounder
Experience
- CitadelQuantitative Research Engineercurrent2026 — presentNew York, United States
- Two SigmaSoftware Engineer Intern2025New York, United States
- PomeloSoftware Engineer2024San Francisco, California, United States
- OnCourseCo-Founder2023 — 2024Stanford, California, United States
- Stanford UniversityCS198 Section Leader2023 — 2024Stanford, California, United States
- Stanford UniversityDATASCI112 CA2024Stanford, California, United States
- Stanford HCI GroupResearch Assistant | Stanford HCI | CURIS2023Stanford, California, United States
- Susquehanna International Group, LLP (SIG)SIG Discovery Day Participant2023
- Digital Youth CouncilBoard Member2016 — 2022Ireland
- Woolly Mammoth TechCEO2019 — 2022Ireland
- Kehoe GamesCEO2014 — 2019
- Kehoe GamesiOS Developer2014 — 2019
Skills & more
Rust (Programming Language)GraphQLPython (Programming Language)2Swift6Objective-C4C1C++1Java1CSS1PHP1JavaScript1Microsoft Office1
+12 more
C#XcodePythonHTMLXMLTypeScriptData ScienceCommunicationSoftware TestingAlgorithmsUniversity TeachingPublic Speaking- Swift Student Challenge 2021 — Apple
- Swift Student Challenge 2020 — Apple
- WWDC 2018 Scholarship — Apple
- WWDC 2017 Scholarship — Apple
From Niall's professional profile.
Frequently asked questions
- Who is Niall Kehoe?
- Niall Kehoe is a computer science graduate from Stanford who previously worked at Two Sigma and conducted research at Harvard Medical School and Stanford. He is currently CTO of Sylvian.
- Where does Niall Kehoe work?
- Niall Kehoe is Founder of Sylvian.
- What companies did Niall Kehoe found?
- Niall Kehoe founded Sylvian.
- Where did Niall Kehoe go to school?
- Niall Kehoe studied at Stanford University (Bachelor of Science - BS, Computer Science); Y Combinator (F25); University of Oxford (Visiting Student, Computational Statistics).
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
Stanford University mafia1,934
Also came through, then founded or led a company.
Peter ThielB.A.Founded PayPalReid HoffmanB.S.Founded LinkedIn +2David SacksB.A.Founded YammerKeith RaboisB.A.Founded OpendoorGarry TanBSFounded Y Combinator +1Joe LonsdaleBSFounded Opto +5
+ 1,927 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
Two Sigma mafia30
Also came through, then founded or led a company.
Michael TruellInternFounded CursorPaul ButlerQuantitative AnalystFounded Drifting In Space +1Jakob PalmstiernaWorkerFounded GsrRaymond WangInvestorFounded AeroVectDhaivat PandyaQuantitative ResearchFounded Verse MedicalSammy SidhuSoftware EngineerFounded Eventual
+ 23 more
Susquehanna International Group mafia12
Also came through, then founded or led a company.
Apurva ShrivastavaTrader InternFounded Avoca +1Eric NollManaging Director / Associate DirectorFounded FusioniqTed TomlinsonTechnology InternFounded StackLeadAbhinav SinhaQuantitative TradingFounded Lucidic AIMith Paresh PatelCracking The Code CompetitionFounded SilaCarl HuangCracking The Code X CornellFounded Sila
+ 5 more
Same school
Also attended Stanford University2,000
Peter ThielCo-founder & Partner at Founders FundDavid SacksCo-founder & General Partner at Craft Ventures; former White House AI & Crypto CzarGarry TanPresident & CEO of Y CombinatorAlfred LinPartner at Sequoia CapitalJim BreyerFounder & CEO of Breyer CapitalMike Maples JrCo-founding Partner at Floodgate
+ 1,994 more
Also attended Y Combinator2,000
Tarek MansourCo-founder & CEO of KalshiSuhail DoshiFounder of Mixpanel; founder of ParticleSubomi OluwalanaCo-founder & CEO of ConvoyArhaan A.Deeptech Fellow at Clear VenturesCollin WallaceGeneral Partner at Lobby CapitalVictor SantosVictor Scout at One Way Ventures
+ 1,994 more
Also attended University of Oxford1,772
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
+ 1,766 more
Shared employers
Also worked at Citadel126
Tarek MansourCo-founder & CEO of KalshiRobert CulpPrincipal at Marlin Equity PartnersEeshaan SachathevaCo-CIO at Ethereal Ventures Management Ltd.David SnydermanManaging Partner and Global Head of Alternative Credit and Fixed Income at Magnetar AI VenturesFran AmicoExecutive Assistant at CAVU Consumer PartnersEvan FengPartner at CoinFund
+ 120 more
Also worked at Two Sigma59
Michael TruellCo-founder & CEO of CursorJakob PalmstiernaPresident at GSRColin BeirneFounding Partner at Deviation CapitalDouglas RomanoffManaging Partner at Parameter VenturesSophia LuoPartner at Greylock PartnersDusan PerovicPartner at Two Sigma Ventures
+ 53 more
Also worked at Pomelo3
Also worked at Stanford University1,153
Ann Miura-KoCo-founding Partner at FloodgateBalaji SrinivasanAngel investor and founder of The Network SchoolMartin CasadoGeneral Partner at Andreessen HorowitzMike KriegerCo-founder of Instagram; Chief Product Officer at AnthropicAndy FangCo-founder & CTO of DoorDashRyan SheaCo-founder of Blockstack (Stacks)
+ 1,147 more