Founder Directory
Built by Keitoto
Founders168
Known for these resultsRole38%Role is parsed from founder titles in yc.db. Known for 38% 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.Bio92%Bio coverage: 92% 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-company46%Ex-company is matched from bios with employment context (ex-, formerly, worked at). 46% of these rows have at least one match.School23%School is matched from bios, case-sensitive for acronyms. 23% of these rows have at least one match.
- Ryan Morrissey@ryan_morrFounder/CEO · HopliteS26B2B · San Francisco
- Akira Tong@akkkkiiraFounder/CTO · Arga LabsX26B2B · San Francisco
- Phillip Li@PhillipLiiFounder/CEO · Arga LabsX26B2B · San Francisco
- Matin Tamizi@matinFounder/CEO · ImperfectX26Consumer · San Francisco
- Jason ZhanFounder/CTO · MemoirX26B2B · San Francisco
- Eric ZhangFounder · SpongeW26B2B · San Francisco
- Jae ChoiFounder · SpongeW26B2B · San Francisco
- Rishab LuthraFounder · SpongeW26B2B · San Francisco
- Dylan Mikus@dbmikusFounder/CEO · AmikaF25B2B · New York
- Jakub Cichon@jdcamikaFounder/CTO · AmikaF25B2B · New York
- Stefan KrugerFounder/CTO · Lua Global IncF25B2B · London
- Fabian LindforsFounder/CEO · SpecificF25B2B · Stockholm
- Bruno Koba@brunokoba_Founder/CEO · AstorS25Fintech · San Francisco
- Daniel Tulha Hochstetler@tulha_Founder/CTO · AstorS25Fintech · San Francisco
- Ayush Rodrigues@ay_ushrFounder/CEO · AutumnS25B2B · London
- John Yeo@johnyeo_Founder/CTO · AutumnS25B2B · London
- Jack BrownFounder · LarkS25B2B · San Francisco
- Vijit Dhingra@VijitDhingra1Founder · LarkS25B2B · San Francisco
- Federico Reyes GomezFounder/CTO · TesoraS25B2B · San Francisco
- Christopher Lambert@theriley106Founder/CEO · BitPatrolX25B2B · New York
FOUNDERROLEBATCHINDUSTRYLOCATIONTEAMX_url
Ryan MorrisseyHopliteFounder/CEOSummer 2026B2BSan Francisco, United States2https://x.com/ryan_morrAkira TongArga LabsFounder/CTOSpring 2026B2BSan Francisco, United States4https://x.com/akkkkiiraPhillip LiArga LabsFounder/CEOSpring 2026B2BSan Francisco, United States4https://x.com/PhillipLiiMatin TamiziImperfectFounder/CEOSpring 2026ConsumerSan Francisco, United States4https://x.com/matinJason ZhanMemoirFounder/CTOSpring 2026B2BSan Francisco, United States2—Eric ZhangSpongeFounderWinter 2026B2BSan Francisco, United States3—Jae ChoiSpongeFounderWinter 2026B2BSan Francisco, United States3—Rishab LuthraSpongeFounderWinter 2026B2BSan Francisco, United States3—Dylan MikusAmikaFounder/CEOFall 2025B2BNew York, United States2https://x.com/dbmikusJakub CichonAmikaFounder/CTOFall 2025B2BNew York, United States2https://x.com/jdcamikaStefan KrugerLua Global IncFounder/CTOFall 2025B2BLondon, United Kingdom5—Fabian LindforsSpecificFounder/CEOFall 2025B2BStockholm, Sweden2—Bruno KobaAstorFounder/CEOSummer 2025FintechSan Francisco, United States5https://x.com/brunokoba_Daniel Tulha HochstetlerAstorFounder/CTOSummer 2025FintechSan Francisco, United States5https://x.com/tulha_Ayush RodriguesAutumnFounder/CEOSummer 2025B2BLondon, United Kingdom5https://x.com/ay_ushrJohn YeoAutumnFounder/CTOSummer 2025B2BLondon, United Kingdom5https://x.com/johnyeo_Jack BrownLarkFounderSummer 2025B2BSan Francisco, United States5—Vijit DhingraLarkFounderSummer 2025B2BSan Francisco, United States5https://x.com/VijitDhingra1Federico Reyes GomezTesoraFounder/CTOSummer 2025B2BSan Francisco, United States5—Christopher LambertBitPatrolFounder/CEOSpring 2025B2BNew York, United States1https://x.com/theriley106
Showing 1–20 of 168 founders
Jack Brown
Founder·Lark
PRIMARY INFO
RoleFounder· not in title
Team size5
BatchSummer 2025
LocationSan Francisco, United States
Company statusActive
StageEarly
BIO
Jack is the co-founder of Lark. Previously, Jack built usage-based billing at Stripe to support the complex pricing models of the worlds biggest AI companies. Prior to his previous role, Jack led engineering teams at fast-growing startups, where he built developer tooling infrastructure to improve developer productivity.
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
LarkThe E2E testing layer for AI-driven development
Co-foundersVijit Dhingra@VijitDhingra1
