Stefan Bütler

Explore. Build. Learn.

Curious by nature.
Learning by doing.

I’m Stefan Bütler, a product and venture building leader. I bring teams together to solve customer problems and turn ideas into products and businesses.

Explore the projects About me
  • Connecting People.
  • Building Products.
  • Growing Businesses.

Things I’m building.

All projects
Outdoors & technology · Experiment

Trail Explorer

An AI-assisted experiment in extending an open-source GPX editor for trail runners.

Learning, out loud.

Ideas and experiments in product building, AI and automation.

All notes
Building with AI

Learning by building with Codex

What changed when I built a first version of this site and tried it in the browser.