Where does Ben Koska work?

Ben Koska is Founder of SF Tensor.

What companies has Ben Koska invested in?

Investments tracked here include Poth Labs.

Where did Ben Koska go to school?

Ben Koska studied at Y Combinator (F25 Batch); Z Fellows.

Ben Koska

InvestorFounder

Founder at SF Tensor

San Francisco, California, United States

FoundedSF Tensor · YC

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About

Ben Koska is the founder of SF Tensor, where he works on GPU kernel optimization. The company builds software and infrastructure for high-performance AI and HPC workloads, including managed GPU orchestration, a kernel optimizer, and a programming language that abstracts hardware differences across vendors.

Founder at SF Tensor YC F25

Intro paths

Ben went through Y Combinator (Fall 2025) — any YC alum in your network can reach them through the YC community.

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, Ben can intro founders to SF Tensor's investors below.

SF Tensor's investors · 8

BoxGroupNew York · $250K – $1M checks Cory Levy Liquid VenturesSan Francisco · $250K – $5M checks Metsu Capital Soma CapitalSacramento · $100K – $300K checks Susa VenturesSan Francisco · $1M – $5M checks Transpose Platform ManagementSan Francisco Y CombinatorSan Francisco · $500K checks · since 2025

Co-founders at SF Tensor

Luk KoskaFounder

Tom KoskaFounder

Experience

SF TensorCo-Foundercurrent2025 — present

Skills & more

C (Programming Language)TensorFlowPyTorchLeadership1Emma (Programming Language)Deep Learning1Artificial Intelligence (AI)Computer ScienceSoftware Development1Project Management1Compilers1Machine Learning1

+5 more

Big DataFinTechCompiler OptimizationCompetitive ProgrammingNetworking

Languages English · German

From Ben's professional profile.

Investments

Investor

Poth Labs

Per curated public sources.

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Frequently asked questions

Who is Ben Koska?: Ben Koska is the founder of SF Tensor, where he works on GPU kernel optimization. The company builds software and infrastructure for high-performance AI and HPC workloads, including managed GPU orchestration, a kernel optimizer, and a programming language that abstracts hardware differences across vendors.
Where does Ben Koska work?: Ben Koska is Founder of SF Tensor.
What companies did Ben Koska found?: Ben Koska founded SF Tensor.
What companies has Ben Koska invested in?: Investments tracked here include Poth Labs.
Where did Ben Koska go to school?: Ben Koska studied at Y Combinator (F25 Batch); Z Fellows.