Founder Directory
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Founders55
Known for these resultsRole67%Role is parsed from founder titles in yc.db. Known for 67% 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.Bio87%Bio coverage: 87% 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-company20%Ex-company is matched from bios with employment context (ex-, formerly, worked at). 20% of these rows have at least one match.School42%School is matched from bios, case-sensitive for acronyms. 42% of these rows have at least one match.
- Jamie YauFounder/CEO · CollarF26B2B · Singapore
- Kazel Koh En YangFounder/CTO · CollarF26B2B · Singapore
- Oscar AguilarFounder/CTO · BizmarkS26B2B · San Francisco
- Rodrigo MosqueiraFounder/CEO · BizmarkS26B2B · San Francisco
- Nikos Dritsakos@nikos1Founder/CEO · GlenS26B2B · San Francisco
- Luca Hadife@LucaHadifeFounder/CEO · KebraS26B2B · San Francisco
- Mohamed HosnyFounder/CTO · KebraS26B2B · San Francisco
- Shelden ShiFounder/CTO · OpenTagS26B2B · San Francisco
- Tony Kam@kamikariatFounder/CEO · OpenTagS26B2B · San Francisco
- Amgad Al-ZamkanFounder/CPO · TenorS26B2B · San Francisco
- Hamze Al-ZamkanFounder/CEO · TenorS26B2B · San Francisco
- Muhtasham Oblokulov@Muhtasham9Founder/CTO · TenorS26B2B · San Francisco
- Arihan Varanasi@arihanxvFounder/CEO · WatoX26B2B · San Francisco
- Rahul Rejeev@rahulrejeevFounder/CTO · WatoX26B2B · San Francisco
- David van Dijk@david_van_dijkFounder/CEO · CellTypeW26Healthcare · New York
- Ivan VrkicFounder/CTO · CellTypeW26Healthcare · New York
- David Newell@DavidNewell95Founder · End CloseW26B2B
- Sean Bolton@SeanBoltonFounder/CEO · End CloseW26B2B
- Otso Veisterä@OtsoVeisteraFounder/CEO · The Token CompanyW26B2B · San Francisco
- Conor Brennan-Burke@conor_aiFounder/CEO · HyperspellF25B2B · San Francisco
FOUNDERROLEBATCHINDUSTRYLOCATIONTEAMX_url
Jamie YauCollarFounder/CEOFall 2026B2BSingapore, Singapore2—Kazel Koh En YangCollarFounder/CTOFall 2026B2BSingapore, Singapore2—Oscar AguilarBizmarkFounder/CTOSummer 2026B2BSan Francisco, United States2—Rodrigo MosqueiraBizmarkFounder/CEOSummer 2026B2BSan Francisco, United States2—Nikos DritsakosGlenFounder/CEOSummer 2026B2BSan Francisco, United States1https://x.com/nikos1Luca HadifeKebraFounder/CEOSummer 2026B2BSan Francisco, United States2https://x.com/LucaHadifeMohamed HosnyKebraFounder/CTOSummer 2026B2BSan Francisco, United States2—Shelden ShiOpenTag2× YCFounder/CTOSummer 2026B2BSan Francisco, United States3—Tony KamOpenTag2× YCFounder/CEOSummer 2026B2BSan Francisco, United States3https://x.com/kamikariatAmgad Al-ZamkanTenorFounder/CPOSummer 2026B2BSan Francisco, United States3—Hamze Al-ZamkanTenorFounder/CEOSummer 2026B2BSan Francisco, United States3—Muhtasham OblokulovTenorFounder/CTOSummer 2026B2BSan Francisco, United States3https://x.com/Muhtasham9Arihan VaranasiWatoFounder/CEOSpring 2026B2BSan Francisco, United States2https://x.com/arihanxvRahul RejeevWatoFounder/CTOSpring 2026B2BSan Francisco, United States2https://x.com/rahulrejeevDavid van DijkCellTypeFounder/CEOWinter 2026HealthcareNew York, United States2https://x.com/david_van_dijkIvan VrkicCellTypeFounder/CTOWinter 2026HealthcareNew York, United States2—David NewellEnd Close2× YCFounderWinter 2026B2BUnknown2https://x.com/DavidNewell95Sean BoltonEnd CloseFounder/CEOWinter 2026B2BUnknown2https://x.com/SeanBoltonOtso VeisteräThe Token CompanyFounder/CEOWinter 2026B2BSan Francisco, United States2https://x.com/OtsoVeisteraConor Brennan-BurkeHyperspellFounder/CEOFall 2025B2BSan Francisco, United States8https://x.com/conor_ai
Showing 1–20 of 55 founders
Shelden Shi
Founder/CTO·OpenTag
PRIMARY INFO
RoleFounder/CTO
Team size3
BatchSummer 2026
LocationSan Francisco, United States
Company statusActive
StageEarly
BIO
Co-Founder and CTO at OpenTag. Previously founded Lilac Labs (S24). Studied CS and CogSci at UC Berkeley.
Ex-company, school and discipline below are derived from this bio. Nothing is inferred when the bio is missing.
BACKGROUND
Credentialsnone mentioned
DisciplineEngineerKeyword match from the bio text, not a classifier.
TRACK RECORD
2× YC founderSerial founder · self-declared
- S24Lilac LabsInactive
- S26OpenTagActive · this entry
