UX Designer & User Researcher · Available

Gilberto Sepulveda

Transforming complex technical products into experiences humans actually enjoy — across medical devices, logistics, retail, and SaaS.

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15+
Years Experience
13
Brands & Clients
6
Industries
6
Case Studies

Expertise

What I bring
to the table

Selected Work

Six case studies,
five industries

2019 — 2024
120mm 47° Cup size 52mm Stem offset High

Medical Device · Zimmer Biomet

Designing a Surgical Hip Planner

X-ray-based tool enabling surgeons to template hip replacements with precision before the OR.

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3D VIEW Anteversion 14.2° Inclination 38.5°

Medical Device · Zimmer Biomet

3D Templating for Hip Replacement

Browser-based 3D planner enabling surgeons to plan with accuracy comparable to specialist desktop software.

View case study
€124 per night · excl. taxes More info €148 total stay · all incl. Breakdown ↓ CONVERSION RATE +62% vs baseline

Travel · Findhotel

Improving Price Clarity Across the Funnel

Examining hotel price display throughout the booking journey, resolving confusion through targeted A/B testing.

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★★★★☆ Hotel Central Amsterdam · 2 nights €0 today Pay on arrival Book · Pay Later Reduce friction No upfront payment

Travel · Findhotel

Pay Later Booking Feature

Reducing friction by enabling payment upon arrival — addressing cancellation anxiety and user expectations around flexibility.

View case study
ATOM MOLECULE ORGANISM TOKENS

Design Systems · Coolblue · Findhotel · Maersk · Floorplanner

The Making of a Design System

Creating consistent design language adoption across teams of designers, developers, and product owners at four companies.

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Restocking Dashboard + Restock PRODUCT STOCK LEVEL STATUS Product A — SKU 4821 67% Product B — SKU 2934 Restock Product C — SKU 7130 84% 30-day trend

Retail Operations · Coolblue

Streaming Restocking Decisions

A back-office application replacing spreadsheets with real-time decision support for buyers and inventory planners.

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"Gilberto expertly filled the role and made a dramatic difference in our team's productivity levels almost immediately."

Wim van Baaren

Trusted by

Clients & collaborators

Ajax Amsterdam
Al Jazeera
Comex
Conarte
Coolblue
Findhotel
Maersk
Nationale Nederlanden
Politie
University of Twente
Wegener
Zimmer Biomet
TrackBee
Ajax Amsterdam
Al Jazeera
Comex
Conarte
Coolblue
Findhotel
Maersk
Nationale Nederlanden
Politie
University of Twente
Wegener
Zimmer Biomet
TrackBee

Let's build
something worth using

Available for new projects in the Randstad area and remotely worldwide.

Get in touch