Founder Directory
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Founders7
Known for these resultsRole43%Role is parsed from founder titles in yc.db. Known for 43% of these rows — the rest have no title at all, mostly 2019–2023. Those rows stay in the result and are counted as Unknown, never as No.Bio100%Bio coverage: 100% of these founders have a bio on their YC profile. Every bio-derived facet (ex-company, school, credentials, discipline) is Unknown for the rest.Ex-company29%Ex-company is matched from bios with employment context (ex-, formerly, worked at). 29% of these rows have at least one match.School57%School is matched from bios, case-sensitive for acronyms. 57% of these rows have at least one match.
- Tiger Wang@tigerjwangFounder/CTO · NessieF25Consumer · San Francisco
- Ben KoskaFounder/CEO · SF TensorF25B2B
- Luk KoskaFounder/CTO · SF TensorF25B2B
- Tom KoskaFounder · SF TensorF25B2B
- Aditya Rajagopal@adityaraja0Founder · nCompass TechnologiesW24B2B · New York
- Diederik VinkFounder · nCompass TechnologiesW24B2B · New York
- Henry Lee@hhleeFounder · Kern SystemsS19Healthcare · Boston
FOUNDERROLEBATCHINDUSTRYLOCATIONTEAMX_url
Tiger WangNessieFounder/CTOFall 2025ConsumerSan Francisco, United States3https://x.com/tigerjwangBen KoskaSF TensorFounder/CEOFall 2025B2BUnknown6—Luk KoskaSF TensorFounder/CTOFall 2025B2BUnknown6—Tom KoskaSF TensorFounderFall 2025B2BUnknown6—Aditya RajagopalnCompass TechnologiesFounderWinter 2024B2BNew York, United States3https://x.com/adityaraja0Diederik VinknCompass TechnologiesFounderWinter 2024B2BNew York, United States3—Henry LeeKern SystemsFounderSummer 2019HealthcareBoston, United States3https://x.com/hhlee
Showing 1–7 of 7 founders
Ben Koska
Founder/CEO·SF Tensor
PRIMARY INFO
RoleFounder/CEO
Team size6
BatchFall 2025
Location
Company statusActive
StageEarly
BIO
Optimizing GPU Kernels @ SF Tensor.
Ex-company, school and discipline below are derived from this bio. Nothing is inferred when the bio is missing.
BACKGROUND
No notable employer or school mentioned in the bio.
Credentialsnone mentioned
Disciplinenot detectedKeyword match from the bio text, not a classifier.
TRACK RECORD
First YC company on record
COMPANY CONTEXT
SF Tensor
Infrastructure for AI labs to focus on research.
