VOL. 01 / 2026
MADRID · LONDON
— Founder, designer, builder № 001

Designing the
decision layer
of AI.

Currently
Building Aletheai

AI-powered decision intelligence for real estate — Signal Factory architecture in production.

Writing on Substack

Long-form essays on AI, decision intelligence, and the operator's mind. Weekly.

Studying ML & Data Science

IBM Data Science certification — sharpening the science behind the systems.

§ 01 · About

A designer who ships systems.

I design AI products at the intersection of behavioural science, systems architecture, and narrative — the layers most builders skip.

Born in Mexico City, based between London and Madrid. Ten-plus years of UX strategy across enterprise and start-up. Today I run Aletheai, an AI-native real-estate intelligence platform built on the Signal Factory architecture: connectors, normalisers, entity resolution, feature store, decision engine, narrative layer.

My work sits at the seam of two convictions: that AI can make decisions legible, and that decisions are how strategy becomes reality. Everything I publish — frameworks, essays, products — is an artefact of that thesis.

Roles

  • Founder, Aletheai 2024 —
  • UX Strategist 2014 —
  • Author & Educator 2025 —

Domains

  • Behavioural decision intelligence AI
  • Product & systems architecture SaaS
  • Data storytelling for executives Consulting
  • UX for AI products Design
§ 02 · Frameworks

Systems I’ve built.

5  published frameworks
§ 03 · Writing & channels

Where I publish.

Building something that needs the decision layer?

hello@dianasimpsonhernandez.com