Founder Directory
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Founders2
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-company0%Ex-company is matched from bios with employment context (ex-, formerly, worked at). 0% of these rows have at least one match.School50%School is matched from bios, case-sensitive for acronyms. 50% of these rows have at least one match.
- Cole Gawin@colegawin_Founder/CTO · LemmaF25B2B · San Francisco
- Jerry Zhang@zjearbearFounder/CEO · LemmaF25B2B · San Francisco
FOUNDERROLEBATCHINDUSTRYLOCATIONTEAMX_url
Cole GawinLemmaFounder/CTOFall 2025B2BSan Francisco, United States2https://x.com/colegawin_Jerry ZhangLemmaFounder/CEOFall 2025B2BSan Francisco, United States2https://x.com/zjearbear
Showing 1–2 of 2 founders
Jerry Zhang
Founder/CEO·Lemma
PRIMARY INFO
RoleFounder/CEO
Team size2
BatchFall 2025
LocationSan Francisco, United States
Company statusActive
StageEarly
BIO
Co-founder @ Lemma (YC F25) | Reliability platform for AI agents
Ex-company, school and discipline below are derived from this bio. Nothing is inferred when the bio is missing.
BACKGROUND
No notable employer or school mentioned in the bio.
Credentialsnone mentioned
Disciplinenot detectedKeyword match from the bio text, not a classifier.
TRACK RECORD
First YC company on record
COMPANY CONTEXT
Lemma
Production Monitoring for AI agents
Co-foundersCole Gawin@colegawin_
