Founder Directory
Built by Keitoto
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-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.
- Ian LeeFounder/CEO · PetrarchS26B2B · San Francisco
- Samuel HahnFounder/COO · PetrarchS26B2B · San Francisco
- Sudhish SwainFounder/CTO · PetrarchS26B2B · San Francisco
FOUNDERROLEBATCHINDUSTRYLOCATIONTEAMX_url
Ian LeePetrarchFounder/CEOSummer 2026B2BSan Francisco, United States3—Samuel HahnPetrarchFounder/COOSummer 2026B2BSan Francisco, United States3—Sudhish SwainPetrarchFounder/CTOSummer 2026B2BSan Francisco, United States3—Showing 1–3 of 3 founders
Samuel Hahn
Founder/COO·Petrarch
PRIMARY INFO
RoleFounder/COO
Team size3
BatchSummer 2026
LocationSan Francisco, United States
Company statusActive
StageEarly
BIO
Founder at Petrarch. Previously led GTM at Magier AI (Techstars '24), building agentic PII-redaction and data-compliance products. Venture analyst at Mainstreet sourcing pre-seed fintech and deeptech. BA in Economics and History from Harvard.
Ex-company, school and discipline below are derived from this bio. Nothing is inferred when the bio is missing.
BACKGROUND
Credentialsnone mentioned
Disciplinenot detectedKeyword match from the bio text, not a classifier.
TRACK RECORD
First YC company on record
COMPANY CONTEXT
Internal industrial company data for frontier labs