Bridging psychology and product

Hi, I'm Joshua — a user researcher in Berlin, psychologist by training and pragmatist by trade. These days you'll find me at N26. Before that, I built and scaled research practices at Vanguard, Grover, AOK, and the German government's DigitalService.

Recent notes

May 19, 2026 · DigitalService · In German

Measuring impact in digital justice services

A blog post I co-wrote with a colleague at DigitalService on the framework we use to measure the services we build for the German justice system.
Dec 15, 2025 · PIAZZA Conference · In German

Counting what counts: Naming the value of digital transformation

A workshop I co-led with a colleague at PIAZZA conference on impact-oriented measurement in public sector digitalization.
Apr 24, 2025 · DigitalService · In German

Cost savings analysis for digital legal aid applications

A report I wrote estimating cost savings and return on investment from digitalizing legal aid applications.