Founder Directory
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Founders234
Known for these resultsRole39%Role is parsed from founder titles in yc.db. Known for 39% 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.Bio75%Bio coverage: 75% 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-company17%Ex-company is matched from bios with employment context (ex-, formerly, worked at). 17% of these rows have at least one match.School26%School is matched from bios, case-sensitive for acronyms. 26% of these rows have at least one match.
- Rhys Sullivan@RhysSullivanFounder · ExecutorS26B2B · San Francisco
- Asaph Kupferman@KupfermanAsaphFounder/CEO · FloraceneS26Healthcare · New York
- Jonah KayeFounder/CTO · FloraceneS26Healthcare · New York
- Caleb HoranFounder/CEO · Salem Robotics IncS26Industrials · Austin
- Janak (Crasun) PanthiFounder/CTO · Salem Robotics IncS26Industrials · Austin
- Dylan TEIXEIRA@Dylan_txaFounder/CTO · Gojiberry AIX26B2B · San Francisco
- Pierre-Eliott Lallemant@pierreeliottlalFounder/CEO · Gojiberry AIX26B2B · San Francisco
- Romàn Czerny@romanbuildsaasFounder/CMO · Gojiberry AIX26B2B · San Francisco
- Muvaffak Onuş@muvaffakonusFounder/CEO · LimrunX26B2B · San Francisco
- Younes El hjoujiFounder/CTO · OvershootW26B2B · San Francisco
- Zakaria El hjouji@zakariaornotFounder/CEO · OvershootW26B2B · San Francisco
- Ben KoskaFounder/CEO · SF TensorF25B2B
- Luk KoskaFounder/CTO · SF TensorF25B2B
- Tom KoskaFounder · SF TensorF25B2B
- Yujian Yao@yyjhaoFounder/CEO · FlootS25B2B · San Francisco
- Riya Jagetia@RiyaJagetiaFounder/CEO · Socratix AIS25B2B · San Francisco
- Satya Vasanth Tumati@SirWitWitFounder/CTO · Socratix AIS25B2B · San Francisco
- David SchlesingerFounder · VeritusS25Fintech · San Francisco
- Joseph Stein@josephsteinFounder · VeritusS25Fintech · San Francisco
- Joshua March@joshuamarchFounder/CEO · VeritusS25Fintech · San Francisco
FOUNDERROLEBATCHINDUSTRYLOCATIONTEAMX_url
Rhys SullivanExecutorFounderSummer 2026B2BSan Francisco, United States1https://x.com/RhysSullivanAsaph KupfermanFloraceneFounder/CEOSummer 2026HealthcareNew York, United States2https://x.com/KupfermanAsaphJonah KayeFloraceneFounder/CTOSummer 2026HealthcareNew York, United States2—Caleb HoranSalem Robotics IncFounder/CEOSummer 2026IndustrialsAustin, United States2—Janak (Crasun) PanthiSalem Robotics IncFounder/CTOSummer 2026IndustrialsAustin, United States2—Dylan TEIXEIRAGojiberry AIFounder/CTOSpring 2026B2BSan Francisco, United States7https://x.com/Dylan_txaPierre-Eliott LallemantGojiberry AIFounder/CEOSpring 2026B2BSan Francisco, United States7https://x.com/pierreeliottlalRomàn CzernyGojiberry AIFounder/CMOSpring 2026B2BSan Francisco, United States7https://x.com/romanbuildsaasMuvaffak OnuşLimrunFounder/CEOSpring 2026B2BSan Francisco, United States1https://x.com/muvaffakonusYounes El hjoujiOvershootFounder/CTOWinter 2026B2BSan Francisco, United States5—Zakaria El hjoujiOvershootFounder/CEOWinter 2026B2BSan Francisco, United States5https://x.com/zakariaornotBen KoskaSF TensorFounder/CEOFall 2025B2BUnknown6—Luk KoskaSF TensorFounder/CTOFall 2025B2BUnknown6—Tom KoskaSF TensorFounderFall 2025B2BUnknown6—Yujian YaoFlootFounder/CEOSummer 2025B2BSan Francisco, United States4https://x.com/yyjhaoRiya JagetiaSocratix AIFounder/CEOSummer 2025B2BSan Francisco, United States4https://x.com/RiyaJagetiaSatya Vasanth TumatiSocratix AIFounder/CTOSummer 2025B2BSan Francisco, United States4https://x.com/SirWitWitDavid SchlesingerVeritusFounderSummer 2025FintechSan Francisco, United States10—Joseph SteinVeritusFounderSummer 2025FintechSan Francisco, United States10https://x.com/josephsteinJoshua MarchVeritusFounder/CEOSummer 2025FintechSan Francisco, United States10https://x.com/joshuamarch
Showing 1–20 of 234 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.
