About
Luk Koska completed a BSc in Computer Science and currently works on AI infrastructure optimization at SF Tensor.
Founder at SF TensorYC F25
Intro paths
YC
Luk 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 Harj Taggar, General Partner at Y Combinator — the partner who ran SF Tensor's batch and knows the company first-hand. YC profile ↗
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In turn, Luk can intro founders to SF Tensor's investors below.
SF Tensor's investors · 1
Experience
- SF TensorFoundercurrent2025 — present
- KOSKA GmbHSoftware Engineer2024 — 2025
Skills & more
Languages English · German
From Luk's professional profile.
Frequently asked questions
- Who is Luk Koska?
- Luk Koska completed a BSc in Computer Science and currently works on AI infrastructure optimization at SF Tensor.
- Where does Luk Koska work?
- Luk Koska is Founder of SF Tensor.
- What companies did Luk Koska found?
- Luk Koska founded SF Tensor.
- Where did Luk Koska go to school?
- Luk Koska studied at Technische Universität Wien (Bachelor of Science - BS, Computer Science); High School.
Founder mafias
Y Combinator mafia8,773
Also came through, then founded or led a company.
Sam AltmanPresidentFounded Tools for Humanity +3Jessica LivingstonCo-founderFounded Y CombinatorAlexis OhanianYC Summer 2005Founded RedditFred EhrsamYC Summer 2012Founded Nudge +1Matt HuangYC Winter 2011Founded HotspotsTrae StephensYC Winter 2022Founded Pursuit +1
+ 8,766 more
Technische Universität Wien mafia12
Also came through, then founded or led a company.
Sebastian FischmeisterFounded Labforge Inc +2Philip MiglinciBachelor’s DegreeFounded Glasskube +1Alex RandComputer ScienceFounded Nextera Robotics | DIDGE.aiAlexander PombergerMaster of Science - MSFounded ReactWiseAldo LipaniDoctor of Philosophy - PhDFounded Eloquent AILuis OlaveResearch stay in Computer Vision AlgorithmsFounded Altur
+ 5 more
Same school
Also attended Technische Universität Wien38
Joan MatonsAnalyst at Inveready Technology Investment GroupWill MorrisonPrincipal at DFJAndreas KlingerInvestor at Prototype CapitalJohann SteszgalBoard Member at Venionaire CapitalThomas KolbabekAssociate Partner at Venionaire CapitalHarald NiederGeneral Partner at redalpine
+ 32 more