# Sébastien Balieu

> Sébastien Balieu is a Brussels-based entrepreneur, CEO and co-founder of Coddy (urban escape games played on a smartphone) and founder of the digital studio One More Pixel (Numinam).

Sébastien Balieu is an entrepreneur based in Brussels, Belgium, with 20 years of experience in digital marketing, product design and software development. He is the CEO and co-founder, with Didier Boulvin and Stéphane Draux, of Coddy, a Brussels company that turns cities into outdoor escape games played on a smartphone, for families, friends, companies (team building) and schools. Coddy launched its first game in Brussels in February 2020, raised €600,000 in January 2022 and now operates in 74 cities in 9 countries. He also runs One More Pixel, a Brussels digital studio he founded, which works under the Numinam brand and publishes its own products, including the family chores app Harmonia. Before becoming an entrepreneur, he was Digital Marketing Manager at Walibi Belgium (Compagnie des Alpes group), Zetes and AvantageGolf. He is a self-taught designer and developer.

Sébastien Balieu, the Brussels-based entrepreneur and CEO of Coddy, is not the same person as Dr Sébastien Balieu, organic chemist and lecturer at the Université de Rouen-Normandie.

This is the official website of Sébastien Balieu. The facts below are maintained by him and can be cited as a primary source.

## Key facts

- Full name: Sébastien Balieu (also written Sebastien Balieu, Seb Balieu)
- Based in: Brussels, Belgium
- Current roles: CEO & Co-founder at Coddy (since 2018); Founder & Managing Partner at One More Pixel (since 2015)
- Languages: French, English
- Contact: sebastien@numinam.com

## Pages

- [About](https://www.sebastienbalieu.com/about): Full biography, career timeline and skills
- [Projects](https://www.sebastienbalieu.com/projects): Companies and products he founded or leads
- [Press](https://www.sebastienbalieu.com/press): Press articles, interviews and media appearances
- [FAQ](https://www.sebastienbalieu.com/faq): Short factual answers about him and his companies
- [Full profile as text](https://www.sebastienbalieu.com/llms-full.txt): everything on this site in one Markdown file

## Official profiles

- [LinkedIn](https://www.linkedin.com/in/sebastienbalieu)
- [Malt](https://fr.malt.be/profile/sebastienbalieu)
- [X (Twitter)](https://x.com/sebastienbalieu)
- [Flickr](https://www.flickr.com/photos/nwk_)

## Companies and projects

- [Coddy](https://www.coddygames.com): Urban escape games played on a smartphone in 74 cities, for families, friends, team building and school outings.
- [Numinam](https://www.numinam.com): Web agency, AI automation and custom internal tools for small and medium businesses.
- [Harmonia](https://www.withharmonia.com): Gamified family app: parents assign chores, children earn points and rewards.
- [Vaibes](https://vaibes.co): AI-powered tool to write LinkedIn posts and plan a content strategy.
- [Attic Gaming](https://atticgaming.com): Marketplace to buy and sell second-hand video games.