Petrarch
YC S26San Francisco, US · Founded 2026 · 3 employees · 2 known investors
Find your way into Petrarch
427 people in our graph share verified history with the Petrarch team — schools, employers, funds. One of them is your warm intro.
Mike Volpiunlockedknows Ian Lee · together at Scale AI (overlapped)
×5knows the team · via Scale AI
×2knows the team · via Harvard University
knows the team · via University of Pennsylvania
×2knows the team · via Brigham and Women's Hospital
knows the team · via The Harvard Crimson
Petrarch operates a marketplace that connects buyers and sellers of specialized datasets and proprietary information.
Enterprise SoftwareMarketplacesMarketplaceB2BData EngineeringUnited States of AmericaAmerica / Canada
Founders & leadership· Y Combinator alumni (S26)
Petrarch was founded in 2026 by Samuel Hahn, Ian Lee, and Sudhish Swain.
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Samuel HahninCOO, Co-FounderSamuel Hahn led go-to-market efforts at Magier AI, a Techstars 2024 company focused on PII redaction and data compliance automation. He previously worked as a venture analyst at Mainstreet, sourcing early-stage fintech and deeptech investments, and holds a BA in Economics and History from Harvard.
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Ian LeeinCEO, Co-FounderIan Lee founded Petrarch. He previously worked as a fellow at Meridian AI focused on training data and go-to-market infrastructure for AI applications in financial services, and served as a technical advisor at Scale AI on quality filtering and annotation systems. He holds a bachelor's degree in applied mathematics and psychology from Harvard University.
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Sudhish SwaininCTO, Co-FounderSudhish Swain previously led software engineering at Clean Sweep Group, where he developed computer vision software for medical equipment identification deployed in California hospitals. He has also worked as a research intern at Brigham and Women's Hospital on spatial transcriptomic cancer analysis and holds a BA in Integrative Biology from Harvard.
Investors · 2
In the news
Frequently asked questions
- What does Petrarch do?
- Petrarch operates a marketplace that connects buyers and sellers of specialized datasets and proprietary information.
- Who founded Petrarch?
- Petrarch was founded by Samuel Hahn, Ian Lee, Sudhish Swain in 2026.
- Who are Petrarch's investors?
- Petrarch's investors include Vela Partners, Y Combinator.
- Where is Petrarch headquartered?
- Petrarch is headquartered in San Francisco, US.