Find your path to Petrus
674 people in our graph share verified history with Petrus — schools, employers, funds. One of them is your warm intro.
Johanna OlnénunlockedPetrus: together at KTH Royal Institute of Technology (2020–2022)
×10Petrus: together at Y Combinator
Petrus: together at Chalmers University of Technology
About
Petrus Werner is the founder and CTO of Stilta. He previously worked at QuantumBlack, McKinsey & Company's AI division, and Amazon Web Services, where he built and deployed AI systems for organizations across Europe.
Co-founder & CTO at StiltaYC W26
Intro paths
YC
Petrus 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 Gustaf Alstromer — the partner who ran Stilta's batch and knows the company first-hand. YC profile ↗
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In turn, Petrus can intro founders to Stilta's investors below.
Stilta's investors · 3
Co-founders at Stilta
Experience
- StiltaCo-Founder & Chief Engineering Officercurrent2026 — presentStockholms kommun
- QuantumBlack, AI by McKinseyAI/Data Engineer2022 — 2025Stockholm, Stockholm County, Sweden
- Amazon Web Services (AWS)ML Engineer2021 — 2022Stockholms kommun
- QuantumBlack, AI by McKinseyIntern2020Stockholm, Sverige
- Chalmers Teknologkonsulter ABIT Project Manager2018 — 2019Göteborg, Sverige
Skills & more
Languages Engelska · Franska · Svenska
From Petrus's professional profile.
Frequently asked questions
- Who is Petrus Werner?
- Petrus Werner is the founder and CTO of Stilta. He previously worked at QuantumBlack, McKinsey & Company's AI division, and Amazon Web Services, where he built and deployed AI systems for organizations across Europe.
- Where does Petrus Werner work?
- Petrus Werner is Co-founder & CTO of Stilta.
- What companies did Petrus Werner found?
- Petrus Werner founded Stilta.
- Where did Petrus Werner go to school?
- Petrus Werner studied at Y Combinator; KTH Royal Institute of Technology (Master of Science - MS, Data Science); University of California, Berkeley (Data Science).
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
KTH Royal Institute of Technology mafia106
Also came through, then founded or led a company.
Ali GhodsiPhDFounded DatabricksMagnus HambletonMaster of ScienceFounded Founders Pledge +2Iván RodríguezMaster ThesisFounded Vivla +2Eric Quidenus-WahlforssMAFounded Dance +1Peter AlmbergDropOutFounded Katalysen +1Per NordlingMaster's degreeFounded Younium +1
+ 99 more
Chalmers University of Technology mafia48
Also came through, then founded or led a company.
Rikard SteiberBSc.Founded GoodTrust +2Per HulthénDoctor of Philosophy (PhD candidate)Founded FDS +1Timo LehesMScFounded Swarmnetwork +1Josip CesicMaster's degreeFounded Gideon +1Godfrey OkekeMaster’s DegreeFounded Y Combinator +1Jakob PalmstiernaShips' Officers' DegreeFounded Gsr
+ 41 more
Same school
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 KTH Royal Institute of Technology257
Ali GhodsiCo-founder & CEO of DatabricksWilliam JilltoftDirector of Strategy and Operations at NorthzoneJohanna OlnénData Analyst at NorthzoneRobin WänlundAssociate at Notion CapitalMagnus BergmanInvestor at Luminar VenturesGiuseppe LacerenzaPartner at Keen Venture Partners
+ 251 more
Also attended University of California, Berkeley2,000
Steve WozniakCo-founder of AppleTony XuCo-founder & CEO of DoorDashAravind SrinivasCo-founder & CEO of Perplexity AIAli GhodsiCo-founder & CEO of DatabricksAbraham BachrachCo-founder & CTO of SkydioTrevor OelschigInvestment Team at General Catalyst
+ 1,994 more
Also attended Chalmers University of Technology119
Ernest GassóDirector at Inveready Technology Investment GroupJacob KeyInvestor at Luminar VenturesAlexander Fred-OjalaInvestor at EQT VenturesAlex MercandettiInvestment Manager - Energy at Emerald Technology Ventures AgJakob PalmstiernaPresident at GSREmma HanaeusInvestor at Almi Invest
+ 113 more
Shared employers
Also worked at Stilta3
Also worked at QuantumBlack, AI by McKinsey23
Raja GhawiPartner at Era VenturesBrian CrandallManaging Director, Vantage Head of Commercial & Digital at TSG Consumer PartnersAlexandre ChavotierAI Consultant at Five V CapitalOlivia CavlanPartner at LifeArc VenturesEdoardo ItaliaAssociate at Brighton Park CapitalMohamed Eisimat MohamedInvestor at Atomico
+ 17 more
Also worked at Amazon Web Services (AWS)440
Jon TurowVenture Partner at Madrona Venture GroupKeerthi NalabotuInvestor at True VenturesAdam NaorInvestor at CapitalGKen HowardVice President of Technology Services at Flare Capital PartnersEliya ElonInvestor at Notable CapitalEllen RubinPartner at Glasswing Ventures
+ 434 more
