Product designer with 10+ years

making complex systems

easier to understand and use.

Hello, I’m Marcel.
I design around how people think, work, and make decisions. Working with AI since 2017. Previously at Microsoft, designing AI products at global scale.

Designing trust into an AI platform

Alana AI
0 → 1
·
Increase % revenue
·
Latam & Europe

Making anyone a Copilot agent builder

Microsoft
30M+ USERS
·
120+ countries
·
Increase % usage

Bringing AI into a complex construction product

TidalHaus
WAU 1.8x
·
Retention 1.5x
·
New accounts 2.3x

Leading the creation of a design system

Alana AI
0 → 1
·
Reduced Feature Time-to-Market
·
Increased Brand Awareness

Building my own design-to-code agent

Personal project
AGENTIC WORKFLOW
·
DESIGN SYSTEM AUTOMATION
Microsoft Copilot — building an AI agentUI Forge — governed design-system-to-code systemTidalHaus — bringing AI into a complex construction productAlana AI platformAlana Design Language System overview

I design for people beyond screens

Let’s talk!
I’m in São Paulo, Brazil
LinkedIn
©2026 MARCEL ROSA. ALL RIGHTS RESERVED.