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A darkroom bench from above: a loupe on blank contact frames, tongs, a tray of still liquid under a cool lamp, a gold-rimmed timer.
Konrad Haldorn, a man in his mid-forties with greying temples, stubble and thin rectangular glasses, on an overcast city street.

Konrad Haldorn

Technical investigator, Berlin. The systems behind the rules.

Konrad grew up in a village outside Kassel, studied physics in Marburg and spent nearly ten years as a test engineer for a payments software company in Frankfurt. He still writes up an investigation the way he wrote up a failed test there: environment, steps, expected result, actual result.

The move into consent work came after the GDPR and the Planet49 ruling in 2019, when law firms and data protection officers started asking for someone who could document what a website actually sent to third parties. He went independent, moved to Berlin, and now produces technical evidence for lawyers, consumer organisations and newsrooms. He is not a lawyer and says so early, though he spent a year of evenings on a data protection law certificate so he could understand what his clients needed from his captures.

He plays cello in an amateur orchestra in Kreuzberg and goes mushroom foraging in the Brandenburg forests in autumn, where he throws out a good share of every basket because he won't cook anything he can't identify with certainty.

The question behind every article

Does the system behave the way its owners say it does, and what follows if it doesn't?

Based in
Berlin, by way of a village outside Kassel
Trained as
A physicist, in Marburg
Before this
Ten years testing payments software in Frankfurt
Works for
Lawyers, consumer organisations and newsrooms. Not a lawyer, and says so early.
Off the clock
Cello in an amateur orchestra in Kreuzberg, mushrooms in the Brandenburg forests
Writes most about
cookie-consentgdpr

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