Luke Caish-Sadlek

Recent work

New e-commerce website for Eucerin, delivering life-changing skincare online in 50+ countries.

Mockup showing mobile and desktop view of the final Eucerin e-commerce website on a pink background

Explore Drag to explore the Eucerin project

Eucerin research artefacts including personas and journey mapping

Creating a doubt-free path to purchase started with discovering customer needs.

User flows and high-fidelity wireframes for Eucerin’s e-commerce website

Features with the most impact on conversion where prioritised and optimised via detailed user flows and wireframes.

Various final mobile-first UI designs for the Eucerin website on a red background

Quick test and optimise phases were made possible by a flexible design system, allowing pilot markets to evolve before full global rollout.

Product-design vision for YouTube, exploring an audience-centric
 creator economy. CURRENTLY UNDER NDA

YouTube logo on a red background

Interactive e-learning format for Siemens, fostering a growth mindset in an ever-changing world.

Explore Drag to explore the Eucerin project


Synthesis from stakeholder and user interviews lead to a wide range of ideation.


Wireframe click-dummies facilitated test and learn phases during content creation, allowing for on the fly content optimisation.


Personalisation is at the core of the new learning experience, giving users agency of what to learn, in which order, and what to save for later.

Launch website for E.ON’s Brightfield, illuminating the B2B electrical grid.

Mockup showing a variety of mobile designs for Brightfield, featuring colorful data visualisations

Explore Drag to explore the Eucerin project

Brightfield research artefacts including customer lifecycle, journey maps and sitemap concepts

Immersion via user interviews and journey mapping into the complex B2B energy market.

Various draft designs for the Brightfield website, showing the evolution towards the final design

Collaborative design sprints facilitated brand and UI building off each others’ success and co-creating the Brightfield style together.

A mockup showing mobile and desktop view of the final Brightfield launch website on a dark grey background

From interview insights to a developed website, the final website leverages linear storytelling to shared the value of how Brightfield illuminates the grid.

Case studies and full-portfolio avaliable on request.