Founder Directory
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Founders3
Known for these resultsRole0%Role is parsed from founder titles in yc.db. Known for 0% 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-company67%Ex-company is matched from bios with employment context (ex-, formerly, worked at). 67% 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.
- David Winer@davidjwinerFounder · CiroS22B2B · San Francisco
- Richard LeeFounder · CiroS22B2B · San Francisco
- Ross GeigerFounder · CiroS22B2B · San Francisco
FOUNDERROLEBATCHINDUSTRYLOCATIONTEAMX_url
David WinerCiroFounderSummer 2022B2BSan Francisco, United States5https://x.com/davidjwinerRichard LeeCiroFounderSummer 2022B2BSan Francisco, United States5—Ross GeigerCiroFounderSummer 2022B2BSan Francisco, United States5—
Showing 1–3 of 3 founders
David Winer
Founder·Ciro
PRIMARY INFO
RoleFounder· not in title
Team size5
BatchSummer 2022
LocationSan Francisco, United States
Company statusActive
StageEarly
BIO
David is CTO at Ciro. Before starting Ciro, he was a product manager for the Kotlin programming language at Google. Before that, he worked as a software engineer and product manager at various startups and as a management consultant at Bain & Co. He has a bachelor's degree in Applied Math from Brown University, a Master's in Electrical Engineering & Computer Science from Berkeley, and an MBA from Stanford.
Ex-company, school and discipline below are derived from this bio. Nothing is inferred when the bio is missing.
BACKGROUND
CredentialsMBA
DisciplineEngineerKeyword match from the bio text, not a classifier.
TRACK RECORD
First YC company on record
