Founder Directory
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Founders101
Known for these resultsRole56%Role is parsed from founder titles in yc.db. Known for 56% 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.Bio100%Bio coverage: 100% 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-company44%Ex-company is matched from bios with employment context (ex-, formerly, worked at). 44% of these rows have at least one match.School100%School is matched from bios, case-sensitive for acronyms. 100% of these rows have at least one match.
- Aditya MittalFounder/CEO · RoteW27B2B · San Francisco
- Gabriel Castillo@GabrielCasHeFounder/CTO · RoteW27B2B · San Francisco
- Jordan IbeFounder · CovaS26Healthcare · Detroit
- Ryan Nowicki Stewart@rywicksFounder/CEO · PennantS26Fintech · New York
- Berat Celik@beratcelik0Founder/CEO · StoaS26Fintech · San Francisco
- Angelica Kosasih@aka_kosasihFounder/CTO · WonderingS26Consumer · San Francisco
- Abraham Heifets@AbeHeifetsFounder/CEO · WonderTxS26Healthcare · San Francisco
- Cashel FitzgeraldFounder/CTO · ZommaS26B2B · San Francisco
- Jihyun Kim@jihprobsFounder/CEO · ZommaS26B2B · San Francisco
- Vikram Chennai@vchennai2Founder/CEO · ArdentX26B2B · San Francisco
- Kyle Wong@klwongkyleFounder/CEO · InstaAgentX26B2B · San Francisco
- Kevin YuFounder/CTO · SavantX26B2B · San Francisco
- Sardor Rahmatulloev@bysardrFounder/CEO · TwolabsX26Industrials · San Francisco
- Tony MontesFounder/CTO · ZolvoX26Fintech · San Francisco
- Selina Li@SelinaliyyFounder/CEO · Bubble LabW26B2B · San Francisco
- Zach Zhong@zhubzyzFounder/CTO · Bubble LabW26B2B · San Francisco
- Jimmy WeiFounder/CEO · IncidentFoxW26B2B · San Francisco
- Matthew Chen@mlaurencechenFounder/CEO · LaurenceW26B2B · New York
- Joseph McAllisterFounder/CTO · MouseCatW26B2B · New York
- Hau ChuFounder/Chief Engineer · UnifoldW26Fintech · New York
FOUNDERROLEBATCHINDUSTRYLOCATIONTEAMX_url
Aditya MittalRoteFounder/CEOWinter 2027B2BSan Francisco, United States0—Gabriel CastilloRoteFounder/CTOWinter 2027B2BSan Francisco, United States0https://x.com/GabrielCasHeJordan IbeCovaFounderSummer 2026HealthcareDetroit, United States2—Ryan Nowicki StewartPennantFounder/CEOSummer 2026FintechNew York, United States2https://x.com/rywicksBerat CelikStoaFounder/CEOSummer 2026FintechSan Francisco, United States3https://x.com/beratcelik0Angelica KosasihWonderingFounder/CTOSummer 2026ConsumerSan Francisco, United States2https://x.com/aka_kosasihAbraham HeifetsWonderTx2× YCFounder/CEOSummer 2026HealthcareSan Francisco, United States3https://x.com/AbeHeifetsCashel FitzgeraldZommaFounder/CTOSummer 2026B2BSan Francisco, United States5—Jihyun KimZommaFounder/CEOSummer 2026B2BSan Francisco, United States5https://x.com/jihprobsVikram ChennaiArdentFounder/CEOSpring 2026B2BSan Francisco, United States3https://x.com/vchennai2Kyle WongInstaAgentFounder/CEOSpring 2026B2BSan Francisco, United States10https://x.com/klwongkyleKevin YuSavantFounder/CTOSpring 2026B2BSan Francisco, United States2—Sardor RahmatulloevTwolabsFounder/CEOSpring 2026IndustrialsSan Francisco, United States2https://x.com/bysardrTony MontesZolvoFounder/CTOSpring 2026FintechSan Francisco, United States3—Selina LiBubble LabFounder/CEOWinter 2026B2BSan Francisco, United States2https://x.com/SelinaliyyZach ZhongBubble LabFounder/CTOWinter 2026B2BSan Francisco, United States2https://x.com/zhubzyzJimmy WeiIncidentFoxFounder/CEOWinter 2026B2BSan Francisco, United States2—Matthew ChenLaurenceFounder/CEOWinter 2026B2BNew York, United States2https://x.com/mlaurencechenJoseph McAllisterMouseCatFounder/CTOWinter 2026B2BNew York, United States6—Hau ChuUnifoldFounder/Chief EngineerWinter 2026FintechNew York, United States3—
Showing 1–20 of 101 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
