Founder Directory
Built by Keitoto
Founders35
Known for these resultsRole57%Role is parsed from founder titles in yc.db. Known for 57% 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.Bio100%Bio coverage: 100% 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-company34%Ex-company is matched from bios with employment context (ex-, formerly, worked at). 34% of these rows have at least one match.School100%School is matched from bios, case-sensitive for acronyms. 100% of these rows have at least one match.
- Frank LiFounder/CTO · Amorphic LabsS26B2B · San Francisco
- Noelle So@noelleysoFounder/CTO · HERAS26Industrials · San Francisco
- Jaden WangFounder/CEO · OpenRelayS26B2B · Seattle
- Rithik Jain@RithikWasHereFounder · AtrisaX26B2B · San Francisco
- Christine Park@sparkcparkFounder/CEO · Lattice HealthX26Healthcare · San Francisco
- Ethan Shea@ethsheaFounder/CTO · RegbaseX26B2B · New York
- Vishnu Tejus@vrtejusFounder/CTO · 10x ScienceW26B2B · San Francisco
- Elvin Fu@itsfuelvinFounder · CodeWispW26Consumer · San Francisco
- Hayden GoschFounder · VoltairW26Industrials · San Francisco
- Max PfeifferFounder/CTO · Voxel EnergyW26Industrials
- Tejas Agarwal@teagarwalFounder/CEO · TerrainF25B2B · San Francisco
- Edward HinsonFounder · Zephyr FusionF25Industrials · San Diego
- Tim Donnelly@tdonnellyFounder · bitrigS25B2B · San Francisco
- Adhit SankaranFounder/CEO · Janet AIS25B2B · San Francisco
- William BarthellFounder/CTO · Janet AIS25B2B · San Francisco
- Pranav Madhukar@pranavcmadhukarFounder/CEO · MeteorS25Consumer · San Francisco
- Arjun LalwaniFounder/CEO · RaloX25Fintech · New York
- Cameron HakeFounder · BystreetW25B2B · San Francisco
- Kunaal Sikka@kunaalsikkaFounder/President · SubImageW25B2B · San Francisco
- Ulme Wennberg@UlmeWFounder/CEO · VantelW25Fintech · Stockholm
FOUNDERROLEBATCHINDUSTRYLOCATIONTEAMX_url
Frank LiAmorphic LabsFounder/CTOSummer 2026B2BSan Francisco, United States2—Noelle SoHERAFounder/CTOSummer 2026IndustrialsSan Francisco, United States2https://x.com/noelleysoJaden WangOpenRelayFounder/CEOSummer 2026B2BSeattle, United States2—Rithik JainAtrisaFounderSpring 2026B2BSan Francisco, United States3https://x.com/RithikWasHereChristine ParkLattice HealthFounder/CEOSpring 2026HealthcareSan Francisco, United States1https://x.com/sparkcparkEthan SheaRegbaseFounder/CTOSpring 2026B2BNew York, United States3https://x.com/ethsheaVishnu Tejus10x ScienceFounder/CTOWinter 2026B2BSan Francisco, United States5https://x.com/vrtejusElvin FuCodeWispFounderWinter 2026ConsumerSan Francisco, United States3https://x.com/itsfuelvinHayden GoschVoltairFounderWinter 2026IndustrialsSan Francisco, United States5—Max PfeifferVoxel EnergyFounder/CTOWinter 2026IndustrialsUnknown3—Tejas AgarwalTerrainFounder/CEOFall 2025B2BSan Francisco, United States2https://x.com/teagarwalEdward HinsonZephyr FusionFounderFall 2025IndustrialsSan Diego, United States2—Tim DonnellybitrigFounderSummer 2025B2BSan Francisco, United States3https://x.com/tdonnellyAdhit SankaranJanet AIFounder/CEOSummer 2025B2BSan Francisco, United States5—William BarthellJanet AIFounder/CTOSummer 2025B2BSan Francisco, United States5—Pranav MadhukarMeteorFounder/CEOSummer 2025ConsumerSan Francisco, United States2https://x.com/pranavcmadhukarArjun LalwaniRaloFounder/CEOSpring 2025FintechNew York, United States2—Cameron HakeBystreetFounderWinter 2025B2BSan Francisco, United States4—Kunaal SikkaSubImageFounder/PresidentWinter 2025B2BSan Francisco, United States4https://x.com/kunaalsikkaUlme WennbergVantelFounder/CEOWinter 2025FintechStockholm, Sweden5https://x.com/UlmeW
Showing 1–20 of 35 founders
Jacob Xiao
Founder·bitrig
PRIMARY INFO
RoleFounder· not in title
Team size3
BatchSummer 2025
LocationSan Francisco, United States
Company statusActive
StageEarly
BIO
Jacob is a co-founder of bitrig. Before bitrig, Jacob spent 15 years at Apple, where he co-created and led the development of SwiftUI. He also contributed to Xcode and UIKit during his time there. Prior to Apple, Jacob built Opacity, a graphical design tool.
Ex-company, school and discipline below are derived from this bio. Nothing is inferred when the bio is missing.
BACKGROUND
Credentialsnone mentioned
Disciplinenot detectedKeyword match from the bio text, not a classifier.
TRACK RECORD
First YC company on record
COMPANY CONTEXT
bitrigVibe code, test, and deploy Swift apps. All from your iPhone.
