Author and advisor
Essays about my experiences
with spaces, technology and people.
Here I write about what I think and have experienced myself. Independent and unfiltered.
Latest essays
All essays →A single study on daylight in classrooms, broken into many dimensions. What starts as a banal insight becomes an object you need to know how to read.
Ontology structures knowledge so that action follows. Agentic AI does something similar, but without a plan. Both work with the same principles. Which system delivers the better result is the wrong question.
In thirty years of working with data I have rarely seen a system that properly documents its own foundation. Medicine solved this thirty years ago with GRADE. Most other industries have barely started.
Writing is how I think. The process is exhausting and fragile, every interruption can cost hours. AI gives me access to my own knowledge without having to leave the writing process.
Cognitive performance doubles with good air, delirium drops by a third with better room design. The research is there, but it doesn't reach the planning process.
A building owner decides the air quality. The healthcare system pays the consequences. Europe: 1.6 trillion dollars a year.
Green is losing traction, Health is gaining. The market pays premiums for healthy buildings, the EU mandates indoor environmental quality. Transposition deadline: May 2026.