Founder Directory
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Founders3
Known for these resultsRole100%Role is parsed from founder titles in yc.db. Known for 100% 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-company33%Ex-company is matched from bios with employment context (ex-, formerly, worked at). 33% 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.
- Jon QianFounder/President · ValgoW26B2B · San Francisco
- Robert Moss@mossr_jlFounder/CEO · ValgoW26B2B · San Francisco
- Sydney KatzFounder/CTO · ValgoW26B2B · San Francisco
FOUNDERROLEBATCHINDUSTRYLOCATIONTEAMX_url
Jon QianValgoFounder/PresidentWinter 2026B2BSan Francisco, United States3—Robert MossValgoFounder/CEOWinter 2026B2BSan Francisco, United States3https://x.com/mossr_jlSydney KatzValgoFounder/CTOWinter 2026B2BSan Francisco, United States3—
Showing 1–3 of 3 founders
Sydney Katz
Founder/CTO·Valgo
PRIMARY INFO
RoleFounder/CTO
Team size3
BatchWinter 2026
LocationSan Francisco, United States
Company statusActive
StageEarly
BIO
Stanford Aero/Astro PhD with thesis on safe machine learning. Author of "Algorithms for Validation" textbook. Lecturer for "Validation of Safety-Critical Systems" course at Stanford. Industry experience at Reliable Robotics, MIT Lincoln Laboratory, Johns Hopkins Applied Physics Laboratory, and NASA.
Ex-company, school and discipline below are derived from this bio. Nothing is inferred when the bio is missing.
BACKGROUND
CredentialsPhD
DisciplineResearcherKeyword match from the bio text, not a classifier.
TRACK RECORD
First YC company on record
COMPANY CONTEXT
ValgoInsurance risk layer for physical AI
