Services
Here's how I can help
Design focused on understanding users' needs and behaviours. I create custom, user-centric designs. They not only look stunning but also function seamlessly for your users.
Portfolio
Recent work
Here's a collection of some previous projects. But please bear in mind that the majority of my work is covered under NDA and is not available publicly.
Testimonials
What People Say
Hala
Staff Product Designer
Celonis
Kostas has a really pleasant personality & a good sense of humour which helps break the ice and can be very effective in putting users at ease in usability tests. He learns fast and maintains a calm demeanor and thinks clearly in difficult or stressful situations which is a great advantage in a teammate.

Andrew
Head of Product Design
Kaleo Design
We have worked with Kostas on numerous projects and he is always professional, timely and executes his product design process fluidly. Kostas is a great asset on any project we work with him on. We highly recommend him for your app design, web design needs.

Philip
Co-founder
BTNG Studio
Working with Kostas has been a very positive experience. He's very communicative and able to quickly pick up any project. His unique mixture of UX and Online Marketing make him a valuable partner of BTNG.

Ben
Team Manager
Former Colleague
Kostas is a fantastic person to work alongside. His efficiency and work ethic are great at delivering projects quickly and his knowledge helped me out no end.
Sebastian
Product Manager
Celonis
Kostas and I worked on making the first contact points with our product an easy and intuitive experience. He continuously championed our users, thereby facilitating a user-centred design. Thanks to his excellent work, we understand our users better, and the product is easier to use. Kostas is also a pleasant and fun person to work with.
My Thoughts and Writing
Discover insights and strategies that inspire and elevate your design process. Grab a coffee and start exploring!
Got Questions?
Take a look at the questions I get asked a lot to discover what end-to-end design process looks like and how I work.