Founder Directory
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Founders386
Known for these resultsRole51%Role is parsed from founder titles in yc.db. Known for 51% 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.Bio89%Bio coverage: 89% 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-company27%Ex-company is matched from bios with employment context (ex-, formerly, worked at). 27% of these rows have at least one match.School35%School is matched from bios, case-sensitive for acronyms. 35% of these rows have at least one match.
- Liam ZhongFounder · Lambda RoboticsF26Industrials · San Francisco
- Diego Avellaneda@diego_torres173Founder/CEO · Callbook AIS26B2B · San Francisco
- Anton Livaja@antonlivajaFounder/CEO · CautionS26B2B · George Town
- Ksenia Lesko@xenushFounder · CautionS26B2B · George Town
- Lance VickFounder/CTO · CautionS26B2B · George Town
- Safi Shamsi@safishamsiiFounder/CEO · Graphify LabsS26B2B · London
- Eten Zou@etenal7Founder/CEO · Nebula SecurityS26B2B · San Francisco
- Frank Wu@FrankOverF1owFounder · Nebula SecurityS26B2B · San Francisco
- Xiaochuan Yu@Nyaaaaa_ovoFounder/CTO · Nebula SecurityS26B2B · San Francisco
- Yuan TanFounder · Nebula SecurityS26B2B · San Francisco
- Anish Mariathasan@mariathasanishFounder/CEO · OsseusS26B2B
- Ayush PatelFounder/CTO · OsseusS26B2B
- Johnny Doyle@jdoyleirlFounder/CEO · ProvenMetalS26Industrials · San Francisco
- Will Carkner@CarknerWillFounder/CTO · ProvenMetalS26Industrials · San Francisco
- Emily Colman@emilyrcolmanFounder · RonanRx Inc.S26Healthcare · San Francisco
- Raj Jagiasi@raj_jagiasiFounder/CEO · Stratum IndustriesS26Government · New York
- Vihaan Jagiasi@VihaanJagiasiFounder/CTO · Stratum IndustriesS26Government · New York
- Ahmad IbrahimFounder/CTO · TryNearbyS26B2B · Los Angeles
- Obaida AlbaroudiFounder/COO · TryNearbyS26B2B · Los Angeles
- Yousef Abdelfattah@fazeapexFounder/CEO · TryNearbyS26B2B · Los Angeles
FOUNDERROLEBATCHINDUSTRYLOCATIONTEAMX_url
Liam ZhongLambda RoboticsFounderFall 2026IndustrialsSan Francisco, United States6—Diego AvellanedaCallbook AIFounder/CEOSummer 2026B2BSan Francisco, United States7https://x.com/diego_torres173Anton LivajaCautionFounder/CEOSummer 2026B2BGeorge Town, Cayman Islands5https://x.com/antonlivajaKsenia LeskoCautionFounderSummer 2026B2BGeorge Town, Cayman Islands5https://x.com/xenushLance VickCautionFounder/CTOSummer 2026B2BGeorge Town, Cayman Islands5—Safi ShamsiGraphify LabsFounder/CEOSummer 2026B2BLondon, United Kingdom2https://x.com/safishamsiiEten ZouNebula SecurityFounder/CEOSummer 2026B2BSan Francisco, United States4https://x.com/etenal7Frank WuNebula SecurityFounderSummer 2026B2BSan Francisco, United States4https://x.com/FrankOverF1owXiaochuan YuNebula SecurityFounder/CTOSummer 2026B2BSan Francisco, United States4https://x.com/Nyaaaaa_ovoYuan TanNebula SecurityFounderSummer 2026B2BSan Francisco, United States4—Anish MariathasanOsseusFounder/CEOSummer 2026B2BUnknown2https://x.com/mariathasanishAyush PatelOsseusFounder/CTOSummer 2026B2BUnknown2—Johnny DoyleProvenMetalFounder/CEOSummer 2026IndustrialsSan Francisco, United States4https://x.com/jdoyleirlWill CarknerProvenMetalFounder/CTOSummer 2026IndustrialsSan Francisco, United States4https://x.com/CarknerWillEmily ColmanRonanRx Inc.FounderSummer 2026HealthcareSan Francisco, United States5https://x.com/emilyrcolmanRaj JagiasiStratum IndustriesFounder/CEOSummer 2026GovernmentNew York, United States2https://x.com/raj_jagiasiVihaan JagiasiStratum IndustriesFounder/CTOSummer 2026GovernmentNew York, United States2https://x.com/VihaanJagiasiAhmad IbrahimTryNearbyFounder/CTOSummer 2026B2BLos Angeles, United States5—Obaida AlbaroudiTryNearbyFounder/COOSummer 2026B2BLos Angeles, United States5—Yousef AbdelfattahTryNearbyFounder/CEOSummer 2026B2BLos Angeles, United States5https://x.com/fazeapex
Showing 1–20 of 386 founders
Frank Wu
Founder·Nebula Security
PRIMARY INFO
RoleFounder· not in title
Team size4
BatchSummer 2026
LocationSan Francisco, United States
Company statusActive
StageEarly
BIO
Founder of Nebula Security (YC S26). Black Hat USA speaker and DEF CON finalist with r3kapig, the world's No. 1 hacking team in 2025. He led the DARPA AIxCC automated program repair team and shipped end-to-end RCE/LPE exploit chains on Chrome, Firefox, Linux, and Android. He pwned Google's kernelCTF multiple times with zero-days, and has published research at top academic venues such as USENIX Security and NDSS. Ph.D. dropout.
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.
CredentialsPhDDropout / Thiel
DisciplineResearcherKeyword match from the bio text, not a classifier.
TRACK RECORD
First YC company on record
COMPANY CONTEXT
Nebula SecurityBuilding Mythos for everyone
