Founder Directory
Built by Keitoto
Founders58
Known for these resultsRole50%Role is parsed from founder titles in yc.db. Known for 50% 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.Bio86%Bio coverage: 86% 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-company31%Ex-company is matched from bios with employment context (ex-, formerly, worked at). 31% of these rows have at least one match.School31%School is matched from bios, case-sensitive for acronyms. 31% of these rows have at least one match.
- Nithik Bala@nithikbalaFounder · AmuletS26B2B · San Francisco
- Varun Puru@varunpuruFounder · AmuletS26B2B · San Francisco
- Edmond NiuFounder · AtliaS26Real Estate and Construction · San Francisco
- Shaan Yadav@TheShaanShaanFounder · AtliaS26Real Estate and Construction · San Francisco
- Gabriel Noya@gabrielnoya7Founder/CEO · LyonS26B2B · San Francisco
- David Yang@djyang1Founder/CTO · MaingenS26Industrials · San Francisco
- Phillip Yan@PhillipYan2Founder/CEO · MaingenS26Industrials · San Francisco
- Armin Kiani@xarminFounder/COO · HubX26B2B · San Francisco
- Tim Sprecher@tim404xFounder/CEO · HubX26B2B · San Francisco
- Alex Forman@alexscrapingFounder/CEO · ParseF25B2B · San Francisco
- Bilal AsmatullahFounder/CEO · SciloopF25B2B · San Francisco
- Osman Siddique@OsmanSiddiquerFounder · SciloopF25B2B · San Francisco
- Aoi Otani@bigvalleyblueFounder/CTO · Liva AIS25B2B · San Francisco
- Ashley Mo@ashlleymoFounder/CEO · Liva AIS25B2B · San Francisco
- Royce Arockiasamy@roycearocFounder/CEO · PleomS25B2B · New York
- Win Wang@WiniumFounder/CEO · ParaQueryX25B2B · New York
- Carlos Georgescu@CarlosGeorgescuFounder/CTO · AfterQueryW25B2B · San Francisco
- Spencer Mateega@spencermateegaFounder/CEO · AfterQueryW25B2B · San Francisco
- Hunter Leath@jhleathFounder/CEO · ArchilF24B2B · San Francisco
- Aditya TewariFounder/CEO · VortexifyF24B2B · New York
FOUNDERROLEBATCHINDUSTRYLOCATIONTEAMX_url
Nithik BalaAmuletFounderSummer 2026B2BSan Francisco, United States2https://x.com/nithikbalaVarun PuruAmuletFounderSummer 2026B2BSan Francisco, United States2https://x.com/varunpuruEdmond NiuAtliaFounderSummer 2026Real Estate and ConstructionSan Francisco, United States2—Shaan YadavAtliaFounderSummer 2026Real Estate and ConstructionSan Francisco, United States2https://x.com/TheShaanShaanGabriel NoyaLyonFounder/CEOSummer 2026B2BSan Francisco, United States2https://x.com/gabrielnoya7David YangMaingenFounder/CTOSummer 2026IndustrialsSan Francisco, United States2https://x.com/djyang1Phillip YanMaingenFounder/CEOSummer 2026IndustrialsSan Francisco, United States2https://x.com/PhillipYan2Armin KianiHubFounder/COOSpring 2026B2BSan Francisco, United States10https://x.com/xarminTim SprecherHubFounder/CEOSpring 2026B2BSan Francisco, United States10https://x.com/tim404xAlex FormanParseFounder/CEOFall 2025B2BSan Francisco, United States2https://x.com/alexscrapingBilal AsmatullahSciloopFounder/CEOFall 2025B2BSan Francisco, United States6—Osman SiddiqueSciloopFounderFall 2025B2BSan Francisco, United States6https://x.com/OsmanSiddiquerAoi OtaniLiva AIFounder/CTOSummer 2025B2BSan Francisco, United States4https://x.com/bigvalleyblueAshley MoLiva AIFounder/CEOSummer 2025B2BSan Francisco, United States4https://x.com/ashlleymoRoyce ArockiasamyPleomFounder/CEOSummer 2025B2BNew York, United States0https://x.com/roycearocWin WangParaQueryFounder/CEOSpring 2025B2BNew York, United States1https://x.com/WiniumCarlos GeorgescuAfterQueryFounder/CTOWinter 2025B2BSan Francisco, United States30https://x.com/CarlosGeorgescuSpencer MateegaAfterQueryFounder/CEOWinter 2025B2BSan Francisco, United States30https://x.com/spencermateegaHunter LeathArchilFounder/CEOFall 2024B2BSan Francisco, United States11https://x.com/jhleathAditya TewariVortexifyFounder/CEOFall 2024B2BNew York, United States2—
Showing 1–20 of 58 founders
Spencer Mateega
Founder/CEO·AfterQuery
PRIMARY INFO
RoleFounder/CEO
Team size30
BatchWinter 2025
LocationSan Francisco, United States
Company statusActive
StageGrowth
BIO
Building AfterQuery. Previously interned in technology private equity at Silver Lake, technology investment banking at Morgan Stanley, and software engineering at Meta and Google. B.S. in Finance and Statistics at Wharton and a M.S. Computer Science at Penn.
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
First YC company on record
COMPANY CONTEXT
AfterQuery
Applied research lab curating data solutions for foundation model…
Co-foundersCarlos Georgescu@CarlosGeorgescu
