AI Systems
How to put an AI layer inside a real product so it is useful rather than decorative — chat cores, assistance, and the plumbing that makes them dependable.
Aref
Research
Open questions I explore by building and testing — self-directed work, not published academic research.
Digital Health
Where software can genuinely help people manage health and everyday wellbeing — carefully, and without overpromising.
Apps on prescription: why the German model works and still feeds nobody
Read the researchApps on prescription: the showcase model that feeds almost no one
Read the researchDiGA: Getting Approved Is the Easy Part
Read the researchAI Trading
A disciplined, backtesting-only question: whether an AI layer actually improves a strategy. Research, not live trading — honest with itself by design.
AI Trading Bots: The Alpha Is Real
Read the researchProduct & Startup Research
How small products find their first users, how a company forms around them, and what actually moves them forward.
Story
Questions I'm still working on.
Alongside the products I keep a set of open questions.
My Story→