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Testimonials

What my colleagues say

Recommendation excerpts written by colleagues on LinkedIn

"Conversion rate optimization, psychology, leadership, and business are just a few of the topics he's spoken to at the highest level."
Erin Weigel
Principal Designer • Freelancer
Conference attendee
"From the start I got a lot of responsibilities and freedom, which made it a valuable time learning about growth hacking, UX and conversion optimization."
Nadine Peeters
CRO Specialist • Decathlon
Direct report
"Guido is one of the most knowledgeable CROs I know. His understanding of building scalable experimentation teams as well as dealing with stakeholders is exemplary."
Manuel Da Costa
Founder & CEO • Efestra
Former technology partner
"At Spryker, Guido became one of the key figures driving our community's success. [...] his events not only highlighted Spryker's architectural strengths but also created an atmosphere of energy, fun, and inspiration."
Michael Türk
VP Strategic Projects • Spryker
Colleague from a different division
Flags

Countries where I presented

26 and counting!

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Brands I've worked with

From retail to telecom to financial services, I've helped teams across industries build stronger communities.

ANWB logo
Bol.com logo
Canal Digital logo
eBay logo
Euroflorist logo
Favorite Gifts logo
Heineken logo
Helly Hansen logo
ING logo
KPN logo
O'Neal logo
Randstad logo
Sanoma logo
Sara Lee logo
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