Jakub Linowski has been practicing UI Design (since ~2000) & designing experiments (since 2014). He ❤️ inspiring successful replications by growth and experimentation teams.

He also founded GoodUI.org as an active repository of experiments (with winning, flat and losing results) to separate the more generalizable UI, interaction and copy patterns from the more noisy and less predictable ones.

Over the years, Jakub has either been hired, interacted with, shared results, coached and/or learned from over 100 experimentation teams, including: Microsoft, Thomasnet, Booking, Backstage, Yummly, Elevate, Designlab, Reverb, VivaReal, ZAP, Volders, Rollbar, Kenhub, Expert Institute, Drip Agency, FINN, 3Dhub, Metro to name a few.

Jakub is also known to pay close attention to leaders such as: Netflix, Amazon, Airbnb, Bol, Booking, Etsy and Walmart by simply observing what UI changes they A/B test and then writing about some of their publicly visible experiments.

Jakub holds two design degrees, including a MSc in Design for Interaction (Delft, Netherlands).

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