What does Petrarch do?
Petrarch is a Y Combinator-backed (S26) marketplace that sources proprietary operational data from companies under signed agreements, de-identifies it with its in-house Lindo software, and licenses the resulting datasets to AI labs as training data for real-world applications. The San Francisco startup was founded in 2026 by Harvard dropouts Ian Lee, Samuel Hahn, and Sudhish Swain, several of whom previously worked at Scale AI.