Founder Directory
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Founders318
Known for these resultsRole32%Role is parsed from founder titles in yc.db. Known for 32% 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.Bio90%Bio coverage: 90% 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-company28%Ex-company is matched from bios with employment context (ex-, formerly, worked at). 28% of these rows have at least one match.School21%School is matched from bios, case-sensitive for acronyms. 21% of these rows have at least one match.
- Safi Shamsi@safishamsiiFounder/CEO · Graphify LabsS26B2B · London
- Guy Ben Aharon@GuyBenAharonFounder/CTO · OneCLIS26B2B · San Francisco
- Jonathan Fishner@jonathanfishnerFounder/CEO · OneCLIS26B2B · San Francisco
- Hannah Chung@hannah_chuuFounder/CEO · OneTriangleS26B2B · San Francisco
- Medha Venkatapathy@medha_rvFounder/CTO · OneTriangleS26B2B · San Francisco
- Carl Stauffer@carlstauffer_Founder/CEO · RiftenS26B2B · San Francisco
- Jay Chooi@chooi_jeqFounder/CEO · RobocurveS26Industrials · San Francisco
- Aamir PoonawallaFounder/CTO · Understudy LabsS26B2B · San Francisco
- Luis Manrique@lluismanriqueFounder/CEO · Understudy LabsS26B2B · San Francisco
- Nour Zahzah@nourzahzahFounder/CEO · VendoS26B2B · San Francisco
- Yousef Helal@yousefhllFounder/CTO · VendoS26B2B · San Francisco
- Arseniy Shishaev@arseniyswishFounder/CTO · SuperlogX26B2B · San Francisco
- Nicolò Magnante@nicolomagnanteFounder/CEO · SuperlogX26B2B · San Francisco
- Rob Pruzan@RobKnight__Founder/CEO · ZenbuX26B2B · San Francisco
- John Horton@johnjhortonFounder/CTO · Expected ParrotF25B2B · Boston
- Robin Horton@ExpectedParrotFounder/CEO · Expected ParrotF25B2B · Boston
- Dwarak Govind Parthiban@quettabitxyzFounder · s2.devF25B2B · San Francisco
- Shikhar Bhushan@shikhrrFounder/CEO · s2.devF25B2B · San Francisco
- Stephen Balogh@sgbalogh0Founder/CTO · s2.devF25B2B · San Francisco
- Brendan Kellam@bshizzle28Founder/CTO · SourcebotF25B2B · San Francisco
FOUNDERROLEBATCHINDUSTRYLOCATIONTEAMX_url
Safi ShamsiGraphify LabsFounder/CEOSummer 2026B2BLondon, United Kingdom2https://x.com/safishamsiiGuy Ben AharonOneCLIFounder/CTOSummer 2026B2BSan Francisco, United States0https://x.com/GuyBenAharonJonathan FishnerOneCLIFounder/CEOSummer 2026B2BSan Francisco, United States0https://x.com/jonathanfishnerHannah ChungOneTriangleFounder/CEOSummer 2026B2BSan Francisco, United States4https://x.com/hannah_chuuMedha VenkatapathyOneTriangleFounder/CTOSummer 2026B2BSan Francisco, United States4https://x.com/medha_rvCarl StaufferRiftenFounder/CEOSummer 2026B2BSan Francisco, United States0https://x.com/carlstauffer_Jay ChooiRobocurveFounder/CEOSummer 2026IndustrialsSan Francisco, United States2https://x.com/chooi_jeqAamir PoonawallaUnderstudy Labs2× YCFounder/CTOSummer 2026B2BSan Francisco, United States2—Luis ManriqueUnderstudy LabsFounder/CEOSummer 2026B2BSan Francisco, United States2https://x.com/lluismanriqueNour ZahzahVendoFounder/CEOSummer 2026B2BSan Francisco, United States2https://x.com/nourzahzahYousef HelalVendoFounder/CTOSummer 2026B2BSan Francisco, United States2https://x.com/yousefhllArseniy ShishaevSuperlogFounder/CTOSpring 2026B2BSan Francisco, United States2https://x.com/arseniyswishNicolò MagnanteSuperlogFounder/CEOSpring 2026B2BSan Francisco, United States2https://x.com/nicolomagnanteRob PruzanZenbuFounder/CEOSpring 2026B2BSan Francisco, United States1https://x.com/RobKnight__John HortonExpected ParrotFounder/CTOFall 2025B2BBoston, United States5https://x.com/johnjhortonRobin HortonExpected ParrotFounder/CEOFall 2025B2BBoston, United States5https://x.com/ExpectedParrotDwarak Govind Parthibans2.devFounderFall 2025B2BSan Francisco, United States5https://x.com/quettabitxyzShikhar Bhushans2.devFounder/CEOFall 2025B2BSan Francisco, United States5https://x.com/shikhrrStephen Baloghs2.devFounder/CTOFall 2025B2BSan Francisco, United States5https://x.com/sgbalogh0Brendan KellamSourcebotFounder/CTOFall 2025B2BSan Francisco, United States3https://x.com/bshizzle28
Showing 1–20 of 318 founders
Rob Pruzan
Founder/CEO·Zenbu
PRIMARY INFO
RoleFounder/CEO
Team size1
BatchSpring 2026
LocationSan Francisco, United States
Company statusActive
StageEarly
BIO
I build developer tools. I was a software engineer at Vercel on the Next.js core team, and co-authored React Scan, an open source tool now at 22k GitHub stars and 800k weekly installs. Now I'm building Zenbu, an extensible IDE for coding agents.
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
ZenbuThe extensible IDE for coding agents
