Hi, I'm William.
AI engineer and startup builder based in Copenhagen. I'm pursuing an MSc in Human-Centered AI at DTU, expecting to graduate June 2027. I like turning machine learning into things real people actually use.
Selected projects
All projectsPeytzGames
A home for the games I make — a games hub at peytzgames.com where new games are released, with embedded browser play pages and a data-driven catalog.
- Astro
- Tailwind
- TypeScript
- Vercel
Stemma
A Danish-speaking AI phone assistant that handles inbound calls (scheduling, bookings, and sales) for businesses that miss calls when no one can pick up.
- Python
- ASR
- LLMs
- TTS
- Telephony APIs
Simbolic
Infrastructure for orchestrating engineering simulations across different tools, with standardized interfaces for reproducible simulation workflows.
- Python
- Simulation tooling
- Workflow orchestration
EloQuiz.dk
Adaptive math learning platform that uses an Elo-based difficulty system to match each student to the right next question.
- Vue
- Flask
- Firebase
- OpenAI API
Recent writing
All postsIntroducing PeytzGames
I bought PeytzGames.com — a new home for the games I've made, and the ones still coming.
Why we decided to discontinue Stemma
We recently decided to discontinue Stemma, and I wanted to give an explanation why.
Welcome to the new site
What's here, and what I expect to write about going forward.