Founder Directory
Built by Keitoto
Founders167
Known for these resultsRole50%Role is parsed from founder titles in yc.db. Known for 50% 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.Bio81%Bio coverage: 81% 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-company23%Ex-company is matched from bios with employment context (ex-, formerly, worked at). 23% of these rows have at least one match.School29%School is matched from bios, case-sensitive for acronyms. 29% of these rows have at least one match.
- Sanjukta Bhattacharya@splicewiringFounder · Atlas DiscoveryS26Healthcare · San Francisco
- Shaamil Karim@shaamilkarim1Founder/CEO · Atlas DiscoveryS26Healthcare · San Francisco
- Paul Conyngham@paul_conynghamFounder/CEO · GamgeeS26Healthcare · San Francisco
- Emily Colman@emilyrcolmanFounder · RonanRx Inc.S26Healthcare · San Francisco
- Lloyd Armbrust@larmbrustFounder/CEO · RonanRx Inc.S26Healthcare · San Francisco
- Cameron Malloy@CameronMalloy_Founder/CTO · StudioS26B2B · San Francisco
- Nikita MullangiFounder/CEO · StudioS26B2B · San Francisco
- Rahul ThayilFounder/CTO · TorusS26Industrials · San Francisco
- Rohan KulkarniFounder/CEO · AshrW26B2B · San Francisco
- Shreyas KapsFounder · AshrW26B2B · San Francisco
- Atharva Peshkar@atharva_peshkarFounder/CTO · AxionOrbital SpaceW26Industrials · San Francisco
- Dhenenjay Yadav@dhenenjayFounder/CEO · AxionOrbital SpaceW26Industrials · San Francisco
- Akash Pavan@akashpavanFounder/CEO · ChasiW26B2B · San Francisco
- Sarman Aulakh@sarmanaulakhFounder/CTO · ChasiW26B2B · San Francisco
- Younes El hjoujiFounder/CTO · OvershootW26B2B · San Francisco
- Zakaria El hjouji@zakariaornotFounder/CEO · OvershootW26B2B · San Francisco
- Kazuki Shin@shinkazuki99Founder/CTO · Kaigo HealthF25Healthcare · San Francisco
- Lukas KlaiberFounder/COO · Kaigo HealthF25Healthcare · San Francisco
- Peter ChienFounder/CEO · Kaigo HealthF25Healthcare · San Francisco
- Raman VarmaFounder/CEO · Kestrel AIF25B2B · San Francisco
FOUNDERROLEBATCHINDUSTRYLOCATIONTEAMX_url
Sanjukta BhattacharyaAtlas DiscoveryFounderSummer 2026HealthcareSan Francisco, United States3https://x.com/splicewiringShaamil KarimAtlas DiscoveryFounder/CEOSummer 2026HealthcareSan Francisco, United States3https://x.com/shaamilkarim1Paul ConynghamGamgeeFounder/CEOSummer 2026HealthcareSan Francisco, United States2https://x.com/paul_conynghamEmily ColmanRonanRx Inc.FounderSummer 2026HealthcareSan Francisco, United States5https://x.com/emilyrcolmanLloyd ArmbrustRonanRx Inc.2× YCFounder/CEOSummer 2026HealthcareSan Francisco, United States5https://x.com/larmbrustCameron MalloyStudioFounder/CTOSummer 2026B2BSan Francisco, United States2https://x.com/CameronMalloy_Nikita MullangiStudioFounder/CEOSummer 2026B2BSan Francisco, United States2—Rahul ThayilTorusFounder/CTOSummer 2026IndustrialsSan Francisco, United States6—Rohan KulkarniAshrFounder/CEOWinter 2026B2BSan Francisco, United States2—Shreyas KapsAshrFounderWinter 2026B2BSan Francisco, United States2—Atharva PeshkarAxionOrbital SpaceFounder/CTOWinter 2026IndustrialsSan Francisco, United States2https://x.com/atharva_peshkarDhenenjay YadavAxionOrbital SpaceFounder/CEOWinter 2026IndustrialsSan Francisco, United States2https://x.com/dhenenjayAkash PavanChasiFounder/CEOWinter 2026B2BSan Francisco, United States2https://x.com/akashpavanSarman AulakhChasiFounder/CTOWinter 2026B2BSan Francisco, United States2https://x.com/sarmanaulakhYounes El hjoujiOvershootFounder/CTOWinter 2026B2BSan Francisco, United States5—Zakaria El hjoujiOvershootFounder/CEOWinter 2026B2BSan Francisco, United States5https://x.com/zakariaornotKazuki ShinKaigo HealthFounder/CTOFall 2025HealthcareSan Francisco, United States3https://x.com/shinkazuki99Lukas KlaiberKaigo HealthFounder/COOFall 2025HealthcareSan Francisco, United States3—Peter ChienKaigo HealthFounder/CEOFall 2025HealthcareSan Francisco, United States3—Raman VarmaKestrel AIFounder/CEOFall 2025B2BSan Francisco, United States2—
Showing 1–20 of 167 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
