Founder Directory
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Founders8
Known for these resultsRole13%Role is parsed from founder titles in yc.db. Known for 13% 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-company25%Ex-company is matched from bios with employment context (ex-, formerly, worked at). 25% of these rows have at least one match.School50%School is matched from bios, case-sensitive for acronyms. 50% of these rows have at least one match.
- Pablo Hansen@thepablohansenFounder · ProliferateS25B2B · San Francisco
- Christopher PriceFounder/COO · SixtyfourX25B2B · San Francisco
- Chris WeaverFounder · OnyxW24B2B · San Francisco
- Yuhong SunFounder · OnyxW24B2B · San Francisco
- Jen HerbachFounder · Adventris PharmaceuticalsW23Healthcare · Baltimore
- Douglas LopesFounder · Onyx PrivateW22Fintech · Miami
- Tiago PassinatoFounder · Onyx PrivateW22Fintech · Miami
- Victor Santos@victorsantos10xFounder · Onyx PrivateW22Fintech · Miami
FOUNDERROLEBATCHINDUSTRYLOCATIONTEAMX_url
Pablo HansenProliferateFounderSummer 2025B2BSan Francisco, United States—https://x.com/thepablohansenChristopher PriceSixtyfourFounder/COOSpring 2025B2BSan Francisco, United States12—Chris WeaverOnyxFounderWinter 2024B2BSan Francisco, United States20—Yuhong SunOnyxFounderWinter 2024B2BSan Francisco, United States20—Jen HerbachAdventris PharmaceuticalsFounderWinter 2023HealthcareBaltimore, United States7—Douglas LopesOnyx PrivateFounderWinter 2022FintechMiami, United States10—Tiago PassinatoOnyx PrivateFounderWinter 2022FintechMiami, United States10—Victor SantosOnyx PrivateFounderWinter 2022FintechMiami, United States10https://x.com/victorsantos10x
Showing 1–8 of 8 founders
Yuhong Sun
Founder·Onyx
PRIMARY INFO
RoleFounder· not in title
Team size20
BatchWinter 2024
LocationSan Francisco, United States
Company statusActive
StageEarly
BIO
Machine Learning and NLP, previously working on transformers architectures for NL-to-SQL and hybrid search at Alation, inc.
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
DisciplineEngineerKeyword match from the bio text, not a classifier.
TRACK RECORD
First YC company on record
COMPANY CONTEXT
Onyx
Open Source AI Chat
Co-foundersChris Weaver
