Founder Directory
Built by Keitoto
Founders40
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.Bio88%Bio coverage: 88% 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-company55%Ex-company is matched from bios with employment context (ex-, formerly, worked at). 55% of these rows have at least one match.School30%School is matched from bios, case-sensitive for acronyms. 30% of these rows have at least one match.
- Sarang Zambare@sarangz11Founder/CEO · BaudS26Industrials · San Francisco
- Aamir PoonawallaFounder/CTO · Understudy LabsS26B2B · San Francisco
- Luis Manrique@lluismanriqueFounder/CEO · Understudy LabsS26B2B · San Francisco
- Sam SlezekFounder/CEO · Arctic HealthX26Healthcare · New York
- Pamir Ehsas@pamirehsasFounder/CEO · MoritzW26B2B · Oslo
- Stefan MandaricFounder/CTO · MoritzW26B2B · Oslo
- Vineet JammalamadakaFounder/CEO · RobbyW26B2B · New York
- Lev KokotovFounder/CEO · PgDogX25B2B · San Francisco
- Lucas IrvineFounder/CTO · Tire SwingW25B2B · New York
- Kieran Taylor@_kietayFounder · MidshipS24B2B · San Francisco
- Jacqueline Cheong@JacquelineSYC19Founder · ArtieS23B2B · San Francisco
- Ashwin Venkatesh Raman@AshwinVRamanFounder · Spine AIS23B2B · San Francisco
- Nabil Jallouli@nabs_jallouliFounder/CEO · RollstackW23B2B · New York
- Younes JallouliFounder/CPO · RollstackW23B2B · New York
- Emmanuel Turlay@neutralino1Founder · Airtrain AIS22B2B · San Francisco
- Andrew Duberstein@ajdsteinFounder · MercatorS22B2B · San Francisco
- Dayton ThorpeFounder · MercatorS22B2B · San Francisco
- Andreea Francis@afakereleFounder · SilkChartS22B2B · San Francisco
- Fahim Ferdous@fahimFounder · CabalS21B2B · New York
- Quentin Rousseau@quentinrousseauFounder and CTO (YC S21) · RootlyS21B2B · San Francisco
FOUNDERROLEBATCHINDUSTRYLOCATIONTEAMX_url
Sarang ZambareBaudFounder/CEOSummer 2026IndustrialsSan Francisco, United States3https://x.com/sarangz11Aamir PoonawallaUnderstudy Labs2× YCFounder/CTOSummer 2026B2BSan Francisco, United States2—Luis ManriqueUnderstudy LabsFounder/CEOSummer 2026B2BSan Francisco, United States2https://x.com/lluismanriqueSam SlezekArctic HealthFounder/CEOSpring 2026HealthcareNew York, United States4—Pamir EhsasMoritzFounder/CEOWinter 2026B2BOslo, Norway10https://x.com/pamirehsasStefan MandaricMoritzFounder/CTOWinter 2026B2BOslo, Norway10—Vineet JammalamadakaRobbyFounder/CEOWinter 2026B2BNew York, United States3—Lev KokotovPgDogFounder/CEOSpring 2025B2BSan Francisco, United States3—Lucas IrvineTire SwingFounder/CTOWinter 2025B2BNew York, United States2—Kieran TaylorMidshipFounderSummer 2024B2BSan Francisco, United States3https://x.com/_kietayJacqueline CheongArtieFounderSummer 2023B2BSan Francisco, United States16https://x.com/JacquelineSYC19Ashwin Venkatesh RamanSpine AIFounderSummer 2023B2BSan Francisco, United States7https://x.com/AshwinVRamanNabil JallouliRollstackFounder/CEOWinter 2023B2BNew York, United States30https://x.com/nabs_jallouliYounes JallouliRollstackFounder/CPOWinter 2023B2BNew York, United States30—Emmanuel TurlayAirtrain AIFounderSummer 2022B2BSan Francisco, United States5https://x.com/neutralino1Andrew DubersteinMercatorFounderSummer 2022B2BSan Francisco, United States2https://x.com/ajdsteinDayton ThorpeMercatorFounderSummer 2022B2BSan Francisco, United States2—Andreea FrancisSilkChartFounderSummer 2022B2BSan Francisco, United States8https://x.com/afakereleFahim FerdousCabalFounderSummer 2021B2BNew York, United States8https://x.com/fahimQuentin RousseauRootlyFounder and CTO (YC S21)Summer 2021B2BSan Francisco, United States75https://x.com/quentinrousseau
Showing 1–20 of 40 founders
Roby Thomas John
Founder/CEO·Tap to Learn
PRIMARY INFO
RoleFounder/CEO
Team size11
BatchWinter 2012
LocationSan Francisco, United States
Company statusInactive
StageEarly
BIO
No bio on the YC profile. Background, credentials and discipline below are Unknown — nothing is inferred when the bio is missing.
BACKGROUND
Unknown — no bio.
Credentialsunknown
DisciplineunknownKeyword match from the bio text, not a classifier.
TRACK RECORD
First YC company on record
COMPANY CONTEXT
TTap to Learn
InactiveGames For Education
IndustryConsumer
Websitetaptolearn.com
Team size11
X—
LocationSan Francisco, United States
BatchWinter 2012
