Shared speaking history
Olena Kutsenko & Stephan Janssen
Both spoke at 2 of the same events
OK
Olena Kutsenko
Real-time data architecture speaker | ClickHouse and Apache Kafka expert
SJ
Stephan Janssen
Devoxx founder | AI-augmented programming and Java innovation expert
Events they've both spoken at
Devoxx Belgium
2025Devoxx Belgium
2022