Designing the tools
behind the stories.

Fully bilingual in English and Spanish.

A few things I’ve worked on
Marshall WeissMarshall Weiss
Madrid, Spain

I’m a product designer and developer working where design, journalism, and AI meet.

Currently at El Confidencial.
Also teaching at Universidad Europea.

A little more about me

Selected work

All projects
Away from the newsroom

A little less screen.
A little more sound.

A four-track recorder, right in your browser. An experiment in making music software feel simple, tactile, and fun to play with.

Inspired by the four-track recorders of the 1980s. Built with React and the Web Audio API.

Try the recorder
The four-track recorder interfaceA side project, made to be played.
Independent experiment

A small window
into deep time.

Lapidarium is a digital encyclopedia of crystals and precious stones. Explore the collection, compare their forms, and see how each one catches the light.

Interactive 3D forms and rendered turntables let you examine the stones from different angles.

Explore Lapidarium

Thinking out loud.

Notes on designing, building, and figuring things out.

All writing

There’s a person behind the pixels.

What I’m reading, making, and doing