2x founder

Brecht Pierreux

Founder | prev SpaceX & YC W25

Founder

Macadamia· Winter 2025🇧🇪 Ghent, Flemish Region, Belgium

2026Founder· Stealth Startup

Founder · since 2025

Company

Stealth Startup

Role

Founder

current

Stage

—

no public source

Raised

—

no public source

Based

—

Founder / co-founder — the company's markEmployee / research role

Profile coverage5 of 7 · missing posts, contact

Macadamia

AI Agents for Complex Engineering Projects

Experience

Career

Stealth Startup
Founder
Founder · 2026 – Present
2026
Macadamia (YC W25)
Co-founder
Co-Founder & CTO · San Francisco, CA · 2025 – 2026
2025
SpaceX
Starlink Engineer I · Austin, Texas, United States · 2024
2024
NASA Jet Propulsion Laboratory
Visiting Researcher · Pasadena, California, United States · 2023 – 2024
2023
Airbus Defence and Space
Aerospace Engineer · Ottobrunn, Bavaria, Germany · 2022 – 2023
2022

Building an AI Mechanical Engineer to fix technical projects. Previously SpaceX and NASA JPL.