Founder Directory
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Founders336
Known for these resultsRole34%Role is parsed from founder titles in yc.db. Known for 34% 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-company7%Ex-company is matched from bios with employment context (ex-, formerly, worked at). 7% of these rows have at least one match.School36%School is matched from bios, case-sensitive for acronyms. 36% of these rows have at least one match.
- Amie LeightonFounder/CEO · Allia HealthS26Healthcare · New York
- Saroosh Khan@sarooshkhan98Founder/CTO · Allia HealthS26Healthcare · New York
- Aaron Leon@aaronleon_xFounder/CTO · HubbleS26Healthcare · Seattle
- Prabha Dublish@prabhadublishFounder/CEO · HubbleS26Healthcare · Seattle
- Alfredo GonzalezFounder/CEO · OmantaS26Healthcare · San Francisco
- Ranad Humeidi@RanadhumeidiFounder and Chief Scientific Officer · OmantaS26Healthcare · San Francisco
- Emily Colman@emilyrcolmanFounder · RonanRx Inc.S26Healthcare · San Francisco
- Lloyd Armbrust@larmbrustFounder/CEO · RonanRx Inc.S26Healthcare · San Francisco
- Koby Conrad@kobyjconradFounder/CEO · SunflowerS26Consumer · San Francisco
- Abraham Heifets@AbeHeifetsFounder/CEO · WonderTxS26Healthcare · San Francisco
- Daniel Mukasa@DanielMukasa1Founder/CEO · AbInitio BioX26Healthcare · Boston
- Sruthi Viswanathan@_sruvisFounder/CEO · Deep InteractionsX26B2B · San Francisco
- Rayan Mubarak@rayannmubarakFounder/CEO · Enjamb LabsX26B2B · San Francisco
- Jeff LiuFounder/CEO · FinalDoseX26Healthcare · London
- Li-Yao HuangFounder · FinalDoseX26Healthcare · London
- Steven LinFounder · FinalDoseX26Healthcare · London
- Alexander BergholmFounder/CTO · KlarifyX26Healthcare · San Francisco
- Moody Abdul@MoodyAbdulfFounder/CEO · KlarifyX26Healthcare · San Francisco
- Andrew ReiterFounder/COO · 10x ScienceW26B2B · San Francisco
- David Roberts@DSRoberts007Founder/CEO · 10x ScienceW26B2B · San Francisco
FOUNDERROLEBATCHINDUSTRYLOCATIONTEAMX_url
Amie LeightonAllia HealthFounder/CEOSummer 2026HealthcareNew York, United States3—Saroosh KhanAllia HealthFounder/CTOSummer 2026HealthcareNew York, United States3https://x.com/sarooshkhan98Aaron LeonHubbleFounder/CTOSummer 2026HealthcareSeattle, United States2https://x.com/aaronleon_xPrabha DublishHubbleFounder/CEOSummer 2026HealthcareSeattle, United States2https://x.com/prabhadublishAlfredo GonzalezOmantaFounder/CEOSummer 2026HealthcareSan Francisco, United States4—Ranad HumeidiOmantaFounder and Chief Scientific OfficerSummer 2026HealthcareSan Francisco, United States4https://x.com/RanadhumeidiEmily ColmanRonanRx Inc.FounderSummer 2026HealthcareSan Francisco, United States5https://x.com/emilyrcolmanLloyd ArmbrustRonanRx Inc.2× YCFounder/CEOSummer 2026HealthcareSan Francisco, United States5https://x.com/larmbrustKoby ConradSunflowerFounder/CEOSummer 2026ConsumerSan Francisco, United States15https://x.com/kobyjconradAbraham HeifetsWonderTx2× YCFounder/CEOSummer 2026HealthcareSan Francisco, United States3https://x.com/AbeHeifetsDaniel MukasaAbInitio BioFounder/CEOSpring 2026HealthcareBoston, United States2https://x.com/DanielMukasa1Sruthi ViswanathanDeep InteractionsFounder/CEOSpring 2026B2BSan Francisco, United States4https://x.com/_sruvisRayan MubarakEnjamb LabsFounder/CEOSpring 2026B2BSan Francisco, United States2https://x.com/rayannmubarakJeff LiuFinalDoseFounder/CEOSpring 2026HealthcareLondon, United Kingdom5—Li-Yao HuangFinalDoseFounderSpring 2026HealthcareLondon, United Kingdom5—Steven LinFinalDoseFounderSpring 2026HealthcareLondon, United Kingdom5—Alexander BergholmKlarifyFounder/CTOSpring 2026HealthcareSan Francisco, United States4—Moody AbdulKlarifyFounder/CEOSpring 2026HealthcareSan Francisco, United States4https://x.com/MoodyAbdulfAndrew Reiter10x ScienceFounder/COOWinter 2026B2BSan Francisco, United States5—David Roberts10x ScienceFounder/CEOWinter 2026B2BSan Francisco, United States5https://x.com/DSRoberts007
Showing 1–20 of 336 founders
Alex Levy
Founder·Atmo
PRIMARY INFO
RoleFounder· not in title
Team size10
BatchWinter 2020
LocationSan Francisco, United States
Company statusActive
StageGrowth
BIO
Leveraging AI to revolutionize the physical sciences, Alex Levy is the CEO and co-founder of Atmo, the leading company integrating AI into global weather forecasting. Previously, he co-founded Atomwise (W15), a pioneering AI company in small molecule drug discovery, boasting over 800 active programs and $1 billion in pharmaceutical partnerships. An alumnus of the University of Toronto, he began his career by leading a computer vision research lab within the Computer Science Department.
Ex-company, school and discipline below are derived from this bio. Nothing is inferred when the bio is missing.
BACKGROUND
Credentialsnone mentioned
DisciplineResearcherKeyword match from the bio text, not a classifier.
TRACK RECORD
2× YC founder
- W15Numerion LabsActive
- W20AtmoActive · this entry
COMPANY CONTEXT
AtmoUltra-precise AI weather forecasting.
Co-foundersJohan Mathe@johmathe
Also founded · 1 more YC company
Numerion LabsActiveWinter 2015Artificial intelligence for drug discovery.
HealthcareSan Francisco, United States67Open this entry
