Ron Veen is an experienced software engineer who has seen it all, from mainframes to microservices. Through all of this, he is guided by his passion for software engineering and software architecture. For more than 15 years he has been working on the JVM and the Java ecosystem and has seen all the frameworks and libraries from Apache to ZK. He is an Oracle Certified Java Programmer (OCP) and Sun Certified Business Component Developer (SCBCD/OCPBCD). He is an international speaker at software conferences and has published several books on Java and Jakarta EE.

David Vlijmincx is a developer with more than eight years of experience, an Oracle Ace, an author, a blogger, and a conference speaker with a passion for Java development. He has been working in the industry since 2016 and has a deep understanding of Java and its capabilities. He is always looking for new and innovative ways to solve complex problems and strives to stay up-to-date with the latest technologies and best practices in the field. Currently, he is working as a software consultant.