Ron is a highly experienced software engineer who has seen it all, from Midrange Systems to Micro Services. 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). Ron is an avid fan of alternative JVM languages like Groovy, Scala, Clojure, and his personal favorite Kotlin. At Team Rockstars IT he is a Special Agent and senior developer who frequently speaks at international conferences. He is writing a book about Jakarta EE 10, which is due to be published in Q3 of 2023.