01

About

I'm Marvin, 23. I grew up in Stuttgart, spent two years in California and now live in Linköping, Sweden.

I'm really into AI and systems. I run most things through my own AI workspace, and what interests me most is context: building it up so that my projects keep getting better over time.

I study AI in Business. Most of what I make comes from my own projects and the problems I ran into. Right now that's Pitch Your Game, an idea my brother and I had and are building together.

Outside of that: sporty, happy, I like to cook, and football most of all.

02

Now

Pitch Your Game
iOS app

A sports networking app. Share your game clips, get rated by the community, and connect with teams, coaches and clubs. Football first, and all the other sports too. On top, we're building a club network that makes it easier for clubs to find the right players.

pitchyourgame.de
03

Earlier

Codey
Codey

An AI coding companion. A little shrimp on your desktop that watches what your AI builds and explains it in plain English.

2026 · Done
The Current AI

A fully automated AI-news site I built to keep up with AI. Sources pulled in, summarised with the Claude API, published every day.

2026 · Done
04

What I like

Videos, reading and tools I'm into right now. I drop in whatever grabs me.

Videos
Jev: Das kann das KI-Modell wirklich (10 Use Cases)
Julian Ivanov
How to Build an AI-Native Services Company
Y Combinator
24h Inside a $30M Silicon Valley AI Startup with No Employees
Will Phillips
How to Build a Self-Improving Company with AI
YC Root Access
Paul Graham, Founder of Y Combinator, Live from Stockholm
Y Combinator

Working on something with AI?

Always up for a chat — about AI, building, or just a good idea.