Dennis Koolwijk

Defending the Earth Moon since 1979


Visual and UX designer.



I take pride in my ability to graphically articulate and communicate ideas and messages. Using my x-ray vision and knowledge of design I create lovely visuals for anything from mobile apps, websites, print and even toasters.


Web Design

I love creating finely crafted websites that harmoniously blend aesthetically pleasing forms with functional delights. Keep it simple. Make it memorable. Make it fun. Then add a tree. Maybe two, everyone needs a friend.


User experience

I design with a focus on the user experience and conversions. I specialize in designing effective user experiences through early stage user testing, researching user behavior analytics, and a/b testing. Sometimes hypnotoads seem to work.

Pon Automotive desired a modern look and a tablet-friendly design for their new private lease concept. During phase 1 it was implemented in and the standalone website Due to the massive success and quickly joined the club.

ontwerp autoabonnement

Free to go

A repsonsive tablet-friendly website that enables members to quickly locate and book free to go cars.

ontwerp free to go

Renault Dealer

Renault, an established and well known car brand, needed to revamp the look and feel of their dealer websites to revamp their presence online and offline. We were asked to design the framework that gives several hundred dealers creative control while maintaining the standards of the Renault brand.


Say hello!

Or anything else