> Markdown version of [/@guillaume-esnou](https://www.wearedevelopers.com/@guillaume-esnou). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md).

---

# Guillaume Esnou
Field CTO at Invisible Technologies focused on practical enterprise AI deployment.

## About

Guillaume Esnou builds AI systems that actually deploy. As Field CTO for EMEA at Invisible Technologies, he guides how enterprises integrate machine learning into their daily operations.

Before Invisible, he led engineering and analytics at Citadel’s Surveyor Capital and built models across multiple sectors at McKinsey. His work focuses on moving AI from theory to production without breaking existing workflows.

He frequently explores the practical boundaries of modern AI, including the structural limits of large language models in real-world applications. Guillaume studied operations research at Columbia University.



## Past Sessions

### World Congress 2026 Europe · July 8, 2026
Berlin, Germany
- [The Limits of LLMs in Real-World Applications](https://www.wearedevelopers.com/videos/100328-the-limits-of-llms-in-real-world-applications) · 30 min · 🎥 Watch recording



## Videos

- [The Limits of LLMs in Real-World Applications](https://www.wearedevelopers.com/videos/100328-the-limits-of-llms-in-real-world-applications) · Deivids Vilkinsons, Guillaume Esnou, Laura Moritz, Mariam Hakobyan