Champion

Raphaël Semeteys

Worldline

Raphaël has 25 years experience in IT in several business fields and positions (dev, run, business analyst, project manager, architect, consulting, presales... and now DevRel).
With a strong expertise about Free and Open Source Software (9 years in a dedicated skill center, animating communities, talks and articles...) he created the QSOS method and project many years ago.
He is also known as Raphiki Yogeek and is a certified Yoga teacher.

Badges 8

Talks 7

  1. Devoxx Belgium 2025

    The Yoga of Image Generation with Stable Diffusion & ComfyUI

    October 2025GenAI & Beyond

  2. Devoxx Belgium 2025

    From OpenAI to Opensource AI: Navigating Between Commercial Ownership and Collaborative Openness

    October 2025GenAI & Beyond

  3. Devoxx Poland 2025

    Mastering Image Generation with Stable Diffusion

    June 2025Data & AI

  4. Devoxx France 2025

    D'OpenAI à Opensource AI: entre propriété commerciale et ouverture collaborative

    April 2025Data & AI

  5. Devoxx France 2025

    Génération d'images locale et contrôlée avec Stable Diffusion et ComfyUI

    April 2025Data & AI

  6. Devoxx Morocco 2024

    The Future Beyond LLMs: Exploring Agentic AI

    October 2024Data & AI

  7. VoxxedDays Brussels

    The hitchhiker's guide to software architecture and design

    May 2023People, Culture & Methodology