Founder Directory
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Founders22
Known for these resultsRole55%Role is parsed from founder titles in yc.db. Known for 55% 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.Bio91%Bio coverage: 91% 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-company36%Ex-company is matched from bios with employment context (ex-, formerly, worked at). 36% of these rows have at least one match.School32%School is matched from bios, case-sensitive for acronyms. 32% of these rows have at least one match.
- Ethan Byrd@itsjustemailFounder/CEO · primitiveX26B2B · San Francisco
- BinBin He@binsquaresFounder/CEO · smol machinesX26B2B · San Francisco
- Paul Hetherington@paulcjh_Founder/CEO · HlabsW26Industrials · Austin
- Marcus Storm-Mollard@marcus1stormFounder/CEO · ClarmX25B2B
- Jules Drean@julesdreanFounder · TinfoilX25B2B · San Francisco
- Abhi Aiyer@abhiaiyerFounder/CTO · MastraW25B2B · San Francisco
- Sam Bhagwat@calcsamFounder/CEO · MastraW25B2B · San Francisco
- Shane Thomas@smthomas3Founder · MastraW25B2B · San Francisco
- Andrey SantrosyanFounder/CTO · Redouble AIS24B2B · New York
- Martin BittnerFounder/CEO · Redouble AIS24B2B · New York
- Dillon NysFounder · CelestW24B2B · San Francisco
- Anna Monaco@annarmonacoFounder/CEO · ParadigmW24B2B · San Francisco
- Ian OwnbeyFounder · PierreW23B2B · San Francisco
- Jacob Thornton@fatFounder · PierreW23B2B · San Francisco
- Nathaniel Flurry@NathanFlurryFounder · RivetW23B2B · San Francisco
- Nicholas Kissel@nicholaskisselFounder · RivetW23B2B · San Francisco
- Arun Kirubarajan@arundotaiFounder · MagnaW22Fintech · New York
- Bruno Faviero@bfavieroFounder · MagnaW22Fintech · New York
- Katerina ChatziFounder · Promakhos TherapeuticsS21Healthcare · Boston
- MacLane Wilkison@maclanewilkisonFounder/CEO · NuCypher (aka Threshold Network)S16B2B · Austin
FOUNDERROLEBATCHINDUSTRYLOCATIONTEAMX_url
Ethan ByrdprimitiveFounder/CEOSpring 2026B2BSan Francisco, United States4https://x.com/itsjustemailBinBin Hesmol machinesFounder/CEOSpring 2026B2BSan Francisco, United States1https://x.com/binsquaresPaul HetheringtonHlabs2× YCFounder/CEOWinter 2026IndustrialsAustin, United States1https://x.com/paulcjh_Marcus Storm-MollardClarmFounder/CEOSpring 2025B2BUnknown2https://x.com/marcus1stormJules DreanTinfoilFounderSpring 2025B2BSan Francisco, United States5https://x.com/julesdreanAbhi AiyerMastraFounder/CTOWinter 2025B2BSan Francisco, United States30https://x.com/abhiaiyerSam BhagwatMastraFounder/CEOWinter 2025B2BSan Francisco, United States30https://x.com/calcsamShane ThomasMastraFounderWinter 2025B2BSan Francisco, United States30https://x.com/smthomas3Andrey SantrosyanRedouble AIFounder/CTOSummer 2024B2BNew York, United States3—Martin BittnerRedouble AIFounder/CEOSummer 2024B2BNew York, United States3—Dillon NysCelestFounderWinter 2024B2BSan Francisco, United States1—Anna MonacoParadigmFounder/CEOWinter 2024B2BSan Francisco, United States8https://x.com/annarmonacoIan OwnbeyPierreFounderWinter 2023B2BSan Francisco, United States10—Jacob ThorntonPierreFounderWinter 2023B2BSan Francisco, United States10https://x.com/fatNathaniel FlurryRivetFounderWinter 2023B2BSan Francisco, United States5https://x.com/NathanFlurryNicholas KisselRivetFounderWinter 2023B2BSan Francisco, United States5https://x.com/nicholaskisselArun KirubarajanMagnaFounderWinter 2022FintechNew York, United States18https://x.com/arundotaiBruno FavieroMagnaFounderWinter 2022FintechNew York, United States18https://x.com/bfavieroKaterina ChatziPromakhos TherapeuticsFounderSummer 2021HealthcareBoston, United States2—MacLane WilkisonNuCypher (aka Threshold Network)Founder/CEOSummer 2016B2BAustin, United States10https://x.com/maclanewilkison
Showing 1–20 of 22 founders
Paul Hetherington
Founder·Mystic
PRIMARY INFO
RoleFounder· not in title
Team size11
BatchWinter 2021
LocationAustin, United States
Company statusActive
StageEarly
BIO
Founder and CEO of Hlabs (W26), Prev Founder and CEO of Mystic (W21).
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
Disciplinenot detectedKeyword match from the bio text, not a classifier.
TRACK RECORD
2× YC founder
- W21MysticActive · this entry
- W26HlabsActive
COMPANY CONTEXT
MysticLow latency API to run and deploy ML models
Also founded · 1 more YC company
HlabsActiveWinter 2026US-Made Parts for Robots
IndustrialsAustin, United States1Open this entry
