About

I'm Guillaume Berthet, technical architect and AI consultant based in France.

The chaotic path that built taste

My path isn't linear. That's exactly what makes me useful.

2010

Mobile Apps

First steps in iOS/Android development

2012

2M Downloads

Music app with 200K monthly active users

2015

Hardware

Connected products and IoT design

2018

Enterprise

Systems integration and business automation

2022

AI Systems

AI and multi-agent system architecture

Now

Consulting

Helping businesses avoid costly mistakes

Philosophy: Taste > Intelligence

In the AI era, generating code is easy. Knowing what to build is rare. My chaotic path—the failures, the pivots, the hard-learned lessons—gave me something AI doesn't have: taste.

What AI sees vs What I see

How I work

Visual thinking - I think in diagrams

Visual Thinking

Visual thinking: I think in diagrams, not prose. My specs are drawings before they're documents.

Async-first

Async-first: Asynchronous communication is more efficient. We talk when it's useful, not to fill a calendar.

Integrity

Integrity: I refuse projects where I have to lower my standards. I'd rather decline than deliver mediocre work.

Tech Stack

Languages

Python TypeScript .NET / C# Java

Multi-agent Frameworks

LangGraph LangChain Microsoft Agent Framework

Backend

FastAPI Django PostgreSQL Redis

Infrastructure

Docker Cloud Run Railway Azure

Ready to avoid costly mistakes?

Let's discuss your project. 30 minutes to understand your needs and see if I can help.

Or send me an email: guillaume@gbconsult.me