Jean Sini

Founding Partner

Works at Irregular Expressions

Investor profile | Builders Republic

About

Founding Partner of Irregular Expressions in New York, Jean Sini invests in Pre-Seed and Seed with check sizes of €0.5M and above. His thesis covers data infrastructure, DevOps tools, and B2B productivity, with an affinity for open-source and developer-focused platforms. He notably supports Canva as an investor and advisor, and counts Pydantic and Qovery among his investments. An ex-founder and CTO (Fountain, Cadre, One Kings Lane), he also led engineering at Intuit before joining VC. A graduate of Télécom Paris.

Profile

Role
Founding Partner
Fund
Irregular Expressions
Nationality
French

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