Louise Boucher

Founding Partner

Works at Sisyphus Ventures

Investor profile | Builders Republic

About

Founding Partner of Sisyphus Ventures based in the UK, Louise Boucher invests from Pre-Seed to Growth on a thesis focused on defense, aerospace, and deeptech AI. Her track record reflects this focus: notable investments include Tiberius Aerospace, Owkin, and Poolside. She has been a member of the European Defense Investor Network since 2025. Before founding Sisyphus, she invested at Northzone and Frst from 2021 to 2025, after a stint as a data scientist at Google. She graduated from CentraleSupélec and ESCP Business School.

Profile

Role
Founding Partner
Fund
Sisyphus Ventures
Nationality
French

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