/Companies

Petrarch

YC S26

San Francisco, US · Founded 2026 · 3 employees · Hiring · 7 known investors

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Petrarch operates a marketplace that connects buyers and sellers of specialized datasets and proprietary information.

Founders & leadership· Y Combinator alumni (S26)

Petrarch was founded in 2026 by Samuel Hahn, Ian Lee, and Sudhish Swain.

SHSamuel Hahn
Samuel HahnCOO, 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.
ILIan Lee
Ian LeeCEO, 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.
SSSudhish Swain
Sudhish SwainCTO, 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 · 7

Related companies · 4

Companies working in the same space as Petrarch.

Legal entities · 1

corporate structure
Petrarch, Inc.

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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, Zero Index, Arena Media Partners, Gaingels, Lyra Capital Pty Ltd, OurCrowd.
Where is Petrarch headquartered?
Petrarch is headquartered in San Francisco, US.