A few things
I’m building.
My own products. A feel for what’s possible.

5minstore.com
Your online business. No code. No product idea needed.

GerdaGold.de
Buy gold. Sell gold. Compare better.

Mittelstandkaufen.de
Take over a business. Build its next chapter.

Rosi GPT
Your best friend. On an emotional level.

DeepDiemer
Self-insight. Stay curious about yourself.
Lottogewinnen.com
A digital information project about lotteries and statistics.
RESTLESS. CURIOUS. ALL IN.ABOUT ME / RESTLESS. CURIOUS. ALL IN.
I like speed. I like a point to it, too.
I’m Sebastian Diemer. I’ve founded businesses including Kreditech, Farmako and Finiata. I know the questions that come before the code: Who needs this? Why would they use it? What is worth building first?
Now I combine that entrepreneurial experience with AI to build fast. You get a direct conversation with the person doing the work — and a prototype focused on the problem, not unnecessary features.
Let’s talk ↗