Helena
DeMaria-Williams
I’m a software engineer and former brand marketer. I build data products, write about technology and culture, and share the process as I go.
Advisory
Building
The Skin Formulary
Ingredient-first search for skincare products. Compare what’s actually in the bottle, not what’s on the label.
Visit →Hard Tech UK
A directory of the UK’s hard tech ecosystem — startups, investors, and open roles across robotics, quantum, aerospace, and deep tech.
Visit →These are part of Pearl — a collection of tools for finding information that’s genuinely hard to search.
Composition
Composition is a body-composition tracker for iPhone. It reads the trend behind your weigh-ins, then tells you every week whether you’re holding muscle, dropping fat, or spinning your wheels.
Visit →Personal
Writing
Newsletter
A newsletter about software development, generative AI, and the creator economy.
Read on Substack →