The lineup
Who spoke at Devoxx Belgium 2025?
- ACAlexander Chatzizacharias Developer tools and creative coding explorer | Vector databases and unconventional tech experiments
- AAAnton Arhipov IntelliJ IDEA expert | Kotlin and Java development tools specialist
- CSCristian Schuszter Software architecture and Spring Security expert | Speaking at Devoxx conferences
Harry Roberts CSS Performance and Architecture | Web Development- KTKo Turk Green software engineering speaker | Measuring tech's environmental impact
- MKMarkus Kett Java cloud-native architecture specialist | In-memory computing and microservices expert
- MHMatthias Haeussle Kubernetes and observability expert | Java containerization specialist
- MAMete Atamel LLM applications and serverless architecture speaker | Cloud-native development expert
Michelle Michel-Mitchell Creative Director | Transforming Brands Through Design- NSNatan Silnitsky Kafka and microservices expert | Large-scale system migration and developer productivity
- OKOlena Kutsenko Real-time data architecture speaker | ClickHouse and Apache Kafka expert
- SHSander Hoogendoorn Developer and programming speaker | Navigating software craft in the AI age
Sara Khan Counter-Extremism Activist | Former Lead Commissioner for Countering Extremism- SJStephan Janssen Devoxx founder | AI-augmented programming and Java innovation expert
- TNTed Neward Developer education expert | Distributed systems and programming languages
- UEUrs Enzler Software architecture speaker | Evolutionary architecture and design patterns
- VRVictor Rentea Java performance and API design expert | Regular Devoxx speaker
From the stage
Sessions worth replaying
The sessions from this edition we found on video.

Session
Beyond the Prompt: Evaluating, Testing, and Securing LLM Applications
Mete Atamel

Session
Busy Developer's Guide to Esoteric Languages
Ted Neward

Session
Debugging with IntelliJ IDEA
Anton Arhipov

Session
Designing for the Mind: The Psychological Principles Behind Effective UI/UX
Sara Khan

Session
Devoxx Greece 2025 - Async Excellence: Unlocking Scalability with Kafka
Natan Silnitsky
Session
Devoxx Greece 2025 - How to Think Like a Performance Engineer
Harry Roberts
Frequently asked
- Who spoke at Devoxx Belgium 2025?
- 17 speakers, including Alexander Chatzizacharias, Anton Arhipov, Cristian Schuszter, Harry Roberts, and Ko Turk.
- What did Devoxx Belgium 2025 cover?
- Topics include Cloud & Infrastructure, Generative AI & LLMs, Emerging Tech, Enterprise Technology Strategy, Productivity & Performance, and AI in the Enterprise.
What this lineup's speakers cover
The topics this edition's speakers are known for.
Industries represented
The sectors this edition's speakers come from.
Speakers here who tour together
Pairs from this lineup who've shared the stage at other conferences too.
Anton Arhipov & Victor Rentea4 shared eventsAnton Arhipov & Matthias Haeussle3 shared eventsAnton Arhipov & Mete Atamel3 shared eventsAnton Arhipov & Sander Hoogendoorn3 shared eventsMarkus Kett & Mete Atamel3 shared eventsMarkus Kett & Olena Kutsenko3 shared eventsMarkus Kett & Urs Enzler3 shared eventsMatthias Haeussle & Mete Atamel3 shared eventsMatthias Haeussle & Sander Hoogendoorn3 shared eventsMatthias Haeussle & Victor Rentea3 shared eventsMete Atamel & Sander Hoogendoorn3 shared eventsNatan Silnitsky & Mete Atamel3 shared events
