Petr Brzek

Petr Brzek

Prague · Co-founder & CEO at Macaly

I build tools that help people build things. Right now that's Macaly, an AI platform that lets anyone create fully functional web apps without writing code. Macaly was recently acquired by Team Blue.

Before Macaly, I spent about a year on Langtail, an LLM development platform. That work became a stepping stone — what I learned there shaped what Macaly became. Before that, I led product at Ceros after they acquired Avocode, the design handoff tool I co-founded in 2014. We built Avocode with four co-founders, scaled to 40 people, and sold it after eight years.

Recent Writing

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Macaly
2025–
Langtail
2023–2024
Ceros
2021–2023
Avocode
2014–2021