Founder Directory
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Founders9
Known for these resultsRole44%Role is parsed from founder titles in yc.db. Known for 44% 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-company100%Ex-company is matched from bios with employment context (ex-, formerly, worked at). 100% of these rows have at least one match.School22%School is matched from bios, case-sensitive for acronyms. 22% of these rows have at least one match.
- Pragya SabooFounder/CEO · Rubric AIW26B2B · New York
- Yujian Yao@yyjhaoFounder/CEO · FlootS25B2B · San Francisco
- Bernard Xie@berniex_xFounder · KestralX25B2B · San Francisco
- Brian Kim@BrianYKim_BYKFounder/CEO · KestralX25B2B · San Francisco
- Parth Chopra@parthematicsFounder/CTO · CandleF24Consumer · New York
- Jarrett Perkins@jarrett_perkinsFounder · Kips HealthS23Healthcare · Los Angeles
- Stephanie VasquezFounder · Line.BuildS23B2B · San Francisco
- Louis Lecat@louislecatFounder · UpstreamS23B2B · Paris
- Grace WFounder · Fairway HealthW23Healthcare · New York
FOUNDERROLEBATCHINDUSTRYLOCATIONTEAMX_url
Pragya SabooRubric AIFounder/CEOWinter 2026B2BNew York, United States1—Yujian YaoFlootFounder/CEOSummer 2025B2BSan Francisco, United States4https://x.com/yyjhaoBernard XieKestralFounderSpring 2025B2BSan Francisco, United States3https://x.com/berniex_xBrian KimKestralFounder/CEOSpring 2025B2BSan Francisco, United States3https://x.com/BrianYKim_BYKParth ChopraCandleFounder/CTOFall 2024ConsumerNew York, United States2https://x.com/parthematicsJarrett PerkinsKips HealthFounderSummer 2023HealthcareLos Angeles, United States2https://x.com/jarrett_perkinsStephanie VasquezLine.BuildFounderSummer 2023B2BSan Francisco, United States3—Louis LecatUpstreamFounderSummer 2023B2BParis, France7https://x.com/louislecatGrace WFairway HealthFounderWinter 2023HealthcareNew York, United States3—
Showing 1–9 of 9 founders
Yujian Yao
Founder/CEO·Floot
PRIMARY INFO
RoleFounder/CEO
Team size4
BatchSummer 2025
LocationSan Francisco, United States
Company statusActive
StageEarly
BIO
Yujian was a staff engineer at Retool where he rebuilt the entire Retool runtime powering every Retool app. Before that, he was an early engineer at Asana. He’s also a gold medalist in National Olympiad Informatics, Singapore.
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
