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
Lloyd Armbrust
Founder/CEO·RonanRx Inc.
PRIMARY INFO
RoleFounder/CEO
Team size5
BatchSummer 2026
LocationSan Francisco, United States
Company statusActive
StageEarly
BIO
2x YC founder. 3 Exits. 6 Kids. Built a $50M manufacturing business. Now building RonanRX. We use AI to personalize peptides and GLP1s like Ozempic to your biology. By combining labs, wearables, medical history, treatment response, and the latest research, we continuously personalize your treatment as your body changes. Peptides are like Claude Code for your body. Your biology is the prompt. Oldest founder in S26, raising six kids outside Austin, Texas.
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
DisciplineResearcherKeyword match from the bio text, not a classifier.
TRACK RECORD
2× YC founder
- W10OwnLocalActive
- S26RonanRx Inc.Active · this entry
COMPANY CONTEXT
RonanRx Inc.We use AI to personalize peptides to your biology
IndustryHealthcare
Websiteronanrx.com/
Team size5
X—
LocationSan Francisco, United States
BatchSummer 2026
Co-foundersEmily Colman@emilyrcolman
