Founder Directory
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Founders33
Known for these resultsRole48%Role is parsed from founder titles in yc.db. Known for 48% 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.Bio97%Bio coverage: 97% 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-company18%Ex-company is matched from bios with employment context (ex-, formerly, worked at). 18% of these rows have at least one match.School24%School is matched from bios, case-sensitive for acronyms. 24% of these rows have at least one match.
- Ali Eren AytekinFounder · SpaceFlow Technologies, Inc.S26B2B · San Francisco
- Eli Bullock-PapaFounder/CEO · Pax HistoriaW26Consumer · San Francisco
- Ryan ZhangFounder/CTO · Pax HistoriaW26Consumer · San Francisco
- Neo Lee@neo_lkyFounder/CTO · Imagine AIF25B2B · San Francisco
- Sky Yang@skygodkingdomFounder/CEO · Imagine AIF25B2B · San Francisco
- Chandru Shanumugasundaram@tweetchanshanFounder/CTO · burntS25B2B · San Francisco
- Joseph Jacob@Joseph_Jacob13Founder/CEO · burntS25B2B · San Francisco
- Rhea Karimpanal@RheaKarimpanalFounder/CPO · burntS25B2B · San Francisco
- Xin Ding@xinding33Founder/CEO · AttuneX25B2B · San Francisco
- Henrik Hansson@HenrikTaroFounder/CEO · VesenceX25B2B · Stockholm
- Ludvig Swanstrom@ludvigswanstromFounder · VesenceX25B2B · Stockholm
- Ankit SinghalFounder/CEO · AnthrogenS24Healthcare · San Francisco
- Connor LeeFounder/CTO · AnthrogenS24Healthcare · San Francisco
- Liam Collins@liam_a_collinsFounder/CEO · ProxisS24B2B · San Francisco
- Lucious McDaniel IV@LuciousIVFounder/CEO · BiteSightW24Consumer · New York
- Zac Schulwolf@zacswolfFounder/CTO · BiteSightW24Consumer · New York
- Stanislav Beliaev@stanbeliaevFounder · FluentlyW24Consumer · San Francisco
- Yurii Rebryk@yrebrykFounder · FluentlyW24Consumer · San Francisco
- Chris WeaverFounder · OnyxW24B2B · San Francisco
- Yuhong SunFounder · OnyxW24B2B · San Francisco
FOUNDERROLEBATCHINDUSTRYLOCATIONTEAMX_url
Ali Eren AytekinSpaceFlow Technologies, Inc.FounderSummer 2026B2BSan Francisco, United States4—Eli Bullock-PapaPax HistoriaFounder/CEOWinter 2026ConsumerSan Francisco, United States3—Ryan ZhangPax HistoriaFounder/CTOWinter 2026ConsumerSan Francisco, United States3—Neo LeeImagine AIFounder/CTOFall 2025B2BSan Francisco, United States5https://x.com/neo_lkySky YangImagine AIFounder/CEOFall 2025B2BSan Francisco, United States5https://x.com/skygodkingdomChandru ShanumugasundaramburntFounder/CTOSummer 2025B2BSan Francisco, United States3https://x.com/tweetchanshanJoseph JacobburntFounder/CEOSummer 2025B2BSan Francisco, United States3https://x.com/Joseph_Jacob13Rhea KarimpanalburntFounder/CPOSummer 2025B2BSan Francisco, United States3https://x.com/RheaKarimpanalXin DingAttuneFounder/CEOSpring 2025B2BSan Francisco, United States3https://x.com/xinding33Henrik HanssonVesenceFounder/CEOSpring 2025B2BStockholm, Sweden2https://x.com/HenrikTaroLudvig SwanstromVesenceFounderSpring 2025B2BStockholm, Sweden2https://x.com/ludvigswanstromAnkit SinghalAnthrogenFounder/CEOSummer 2024HealthcareSan Francisco, United States6—Connor LeeAnthrogenFounder/CTOSummer 2024HealthcareSan Francisco, United States6—Liam CollinsProxisFounder/CEOSummer 2024B2BSan Francisco, United States3https://x.com/liam_a_collinsLucious McDaniel IVBiteSightFounder/CEOWinter 2024ConsumerNew York, United States4https://x.com/LuciousIVZac SchulwolfBiteSightFounder/CTOWinter 2024ConsumerNew York, United States4https://x.com/zacswolfStanislav BeliaevFluentlyFounderWinter 2024ConsumerSan Francisco, United States2https://x.com/stanbeliaevYurii RebrykFluentlyFounderWinter 2024ConsumerSan Francisco, United States2https://x.com/yrebrykChris WeaverOnyxFounderWinter 2024B2BSan Francisco, United States20—Yuhong SunOnyxFounderWinter 2024B2BSan Francisco, United States20—
Showing 1–20 of 33 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
