Jeroen Wiersma

I create content about a/b testing with JavaScript.

Jeroen Wiersma is a passionate educator specializing in a/b testing with JavaScript. His content, including videos, articles, and carousels, aims to enhance understanding of this programming language and optimize performance. With a background in Digitale media & communicatie from Hogeschool Utrecht, he further honed his skills through a course in Programming in JavaScript at LOI and a Minor in Co-design.

Throughout his career, Jeroen has held key positions such as Conversie Manager at Plein.nl and Founder of GrowthPenguin. He also has experience as a Junior Conversie Manager, Afstuderen, Assistant Marketing, Stagiair, and Accountmanager in various organizations including Plein.nl, Kneipp Benelux, and Hogeschool Utrecht.