About

Over 20 years, one continuous thread: turning visual work into systems that hold.

Guilherme Negreiros

The trajectory

I started in 1997 designing print ads and logos in Brazil. By 2001, I was building websites by hand, HTML, CSS, one client at a time. Over two decades, that same instinct, build something that works, then figure out how to make it hold, carried me from graphic design, to web design, to UI, to UX, to what I do now: designing the systems and governance that keep design decisions consistent at scale.

It wasn't a pivot. Every step used what the last one taught me.

  1. Graphic design
  2. Web & UI
  3. UX Design
  4. Design Systems

What "systems builder" actually means

I don't think of myself as someone who designs screens, I design the infrastructure that makes screens consistent, explainable, and durable over time: tokens, component architecture, decision governance, and the workflows that connect design to development. That's what colleagues have consistently pointed to when describing how I work, not as a designer producing artifacts, but as someone building the systems that let a team produce consistently, without reinventing the same decisions over and over.

Trois-Rivières, Québec. Portuguese, French, and English. When I'm not working on design systems, I play drums at my church, a different kind of discipline: showing up, staying in time with other people, and trusting a structure you didn't build alone.

Guilherme playing drums at his church