About
Tom Koska completed a BSc in Computer Science at age 16 and currently works on AI infrastructure optimization at SF Tensor.
Founder at SF TensorYC F25
Intro paths
YC
Tom 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 ↗
→
In turn, Tom can intro founders to SF Tensor's investors below.
SF Tensor's investors · 1
Experience
- SF TensorFoundercurrent2025 — present
- KOSKA GmbHSoftware Engineer2024 — 2025
Frequently asked questions
- Who is Tom Koska?
- Tom Koska completed a BSc in Computer Science at age 16 and currently works on AI infrastructure optimization at SF Tensor.
- Where does Tom Koska work?
- Tom Koska is Founder of SF Tensor.
- What companies did Tom Koska found?
- Tom Koska founded SF Tensor.
- Where did Tom Koska go to school?
- Tom Koska studied at Technische Universität Wien (Bachelor of Science - BS, Computer Science); High School.
Founder mafias
Y Combinator mafia9,491
Also came through, then founded or led a company.
Sam AltmanPresidentFounded Tools for Humanity +3Garry TanPresident & CEOFounded Y Combinator +1Jessica LivingstonCo-founderFounded Y CombinatorAlexis OhanianYC Summer 2005Founded RedditFred EhrsamYC Summer 2012Founded Nudge +1Matt HuangYC Winter 2011Founded Hotspots
+ 9,484 more
Technische Universität Wien mafia20
Also came through, then founded or led a company.
Sebastian FischmeisterFounded Labforge Inc +2Philip MiglinciMaster’s DegreeFounded Glasskube +1Christopher KahlerBiomechanicsFounded Qriously +1Alex RandComputer ScienceFounded Nextera Robotics | DIDGE.aiAlexander PombergerMaster of Science - MSFounded ReactWiseAldo LipaniDoctor of Philosophy - PhDFounded Eloquent AI
+ 13 more
Same school
Also attended Technische Universität Wien37
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
+ 31 more