Java Champions
All Java Champions that have added their award to their speaker profile.
Jeanne Boyarsky is a Java Champion from New York City and has been a Java developer for more than 21 years. She has co-authored Wiley's Oracle Java 8/11/17/21 certification books in addition to "Real World Java". Jeanne volunteers at CodeRanch and me... Show more
Loiane Groner is a Java Champion, Angular GDE, Microsoft MVP, Oracle ACE with over 18 years of experience and a Director at BNY. In her spare time, she loves contributing to the community, and she publishes tech videos on Youtube and creates free pro... Show more
Rafael works as a software consultant in Oslo, Norway. He is a proponent of static typing and a JVM enthusiast with particular interest in code instrumentation, concurrency and functional programming. Rafael blogs about software development, regularl... Show more
Justin Lee is a Java Champion and a Kotlin fanatic. He has been programming in Java since 1996 and has worked on virtually every level of the application stack from database drivers all the way to application servers and front end interfaces. A long... Show more
Oleg Šelajev is a developer advocate at Docker working mainly on developer productivity, Testcontainers, improving how we set up local development environments and tests, and building applications with AI parts. Developer. Author. Speaker. Java Champ... Show more
Gerrit Grunwald is a software engineer that loves coding for around 40 years already. He is a true believer in open source and he is an active member of the Java community, where he founded and leads the Java User Group Münster (Germany), he is a Jav... Show more
Experienced Software Engineer | Architect | Keynote & Public Speaker | Java Champion | Google Developer Expert for Cloud | Docker Captain | Oracle ACE Pro | Community Leader | Mentor | Ex-leader of JavaZone and Norwegian JUG – javaBin. Show more
Melissa is passionate about Java, DevOps and Continuous Delivery. She is currently Head of Developer Relations for JFrog and a member of the Technical Steering Committee of the Open Platform for Enterprise AI (OPEA). She loves sharing her knowledge w... Show more
Craig Walls is an engineer with Broadcom, Java Champion, Alexa Champion, and the author of Spring AI in Action, Spring in Action, and Build Talking Apps. He's a zealous promoter of the Spring Framework, speaking frequently at local user groups and co... Show more
Elder helps Java developers to build and deliver secure, available, and fast server-side applications. He is a published author of six books and a board member at SouJava, one of the biggest JUGs in the world. As a Developer Advocate, Elder shares ex... Show more

Frank Delporte
Java Champion - Author of 'Getting started with Java on the Raspberry Pi' - Senior Technical Writer at Azul
Frank Delporte is a Java Champion working at azul.com, blogger on webtechie.be and foojay.io, author of "Getting started with Java on the Raspberry Pi" (webtechie.be/books), and contributor to pi4j.com. Frank blogs about his experiments with Java, so... Show more
Mark Heckler, MBA is a software developer & Principal Cloud Developer Advocate for Java/JVM Languages at Microsoft, conference speaker, Java Champion, and Kotlin Developer Expert focused on developing innovative production-ready software at velocity ... Show more
Deepu K Sasidharan is a Software Engineer by passion and profession. He is a Java Champion working as a Staff Developer Advocate at Okta. He is the co-chair of JHipster and the creator of KDash and JDL Studio. He is a polyglot programmer working with... Show more
Burk is a long-time programmer and software architect, with experience in multiple languages including JavaScript and Java. He’s presented at multiple conferences including ConnectTech, DevNexus, JavaOne, and Oracle Code One, and contributed to three... Show more

Michael Redlich
Java Champion | Director at Garden State JUG | Lead Java Editor at InfoQ Java | Contract Developer Advocate and Technical Writer at Payara
Michael Redlich has been an active member within the Java community for the past 25 years. He founded the Garden State Java User Group (formerly the ACGNJ Java Users Group) in 2001 where he serves as one of the directors. Since 2016, Mike has served ... Show more
Jonatan Ivanov is an enthusiastic Software Engineer, member of the Spring Engineering Team, maintainer of Micrometer, one of the leaders of the Seattle Java User Group, speaker, author, Java Champion. He has hands-on experience in developing and shi... Show more
Dervis is an experienced Java-developer and principal officer, currently working for the Norwegian Labour and Welfare Administration. He is passionate about programming languages, functional programming and algorithms. Dervis is a Java Champion and t... Show more
Software Engineer at Docker, Testcontainers maintainer, Open Source Contributor and Java Champion. Show more
A software engineer with almost 30 years of experience in various technology fields: software development, team management, software architecture, HPC and algorithmic research. In my day job I work in Next Insurance. Before that has been focusing for... Show more
Christopher Judd is CTO and partner at Manifest Solutions (http://www.manifestcorp.com), an international speaker, Java Champion, an open source evangelist, and the Central Ohio Java Users Group (http://www.cojug.org) leader. He is an accomplished w... Show more
Developer Relations Engineer for Timefold, Java Champion and leader of the Belgian Java User Group. Tom has a decade worth of experience delivering systems and loves to share not only knowledge but also passion for our craft. You can read more at ... Show more
Daniel Hinojosa is a programmer, consultant, instructor, speaker, and author. With over 20 years of experience, he does work for private, educational, and government institutions. Daniel loves JVM languages like Java, Groovy, and Scala; but also work... Show more
ags likes distributed systems in all shapes and form. Coding since the age of 8, loves simplicity and continuous delivery. While he has written in many languages, he favours the JVM. Since "most software problems are people problems”, he stirs commun... Show more
Developer, author, teacher. Forty years in computing. Co-author “Java Generics and Collections”, author “Mastering Lambdas”. Java Champion, JavaOne Rockstar, frequent conference speaker. Show more
Holly Cummins is a Senior Principal Software Engineer on the Red Hat Quarkus team. Before joining Red Hat, Holly was a long time IBMer, in a range of roles from cloud consultant, full-stack javascript developer, WebSphere Liberty devops architect, JV... Show more
Markus is a Java Champion, former Java EE Expert Group member, founder of German JavaLand, reputed speaker at Java conferences around the world, and a very well known figure in the Enterprise Java world. Show more
Ian has worked in software for decades, working on too many different computer systems. He's developed apps for mobile health, business, and recreation. Author of O'Reilly Java Cookbook and Android Cookbook. Show more
María Arias de Reyna is a Java Champion, geospatial enthusiast and FLOSS advocator. She has been a community leader and core maintainer of several free and open source projects since 2004. She is currently working at Red Hat where she focuses on M... Show more
Matt Raible is a well-known figure in the Java community and has been building web applications for most of his adult life. For over 20 years, he has helped developers learn and adopt open source frameworks and use them effectively. He's a web develo... Show more
Jean Bisutti works for Microsoft. He is a Java Champion and has contributed to the QuickPerf and OpenTelemetry open-source projects. Show more
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Java Champions
Java Champions are esteemed experts in the Java community, actively sharing their profound knowledge and expertise with fellow developers. This recognition is granted to individuals who have made significant contributions to the Java ecosystem through their participation in technical forums, user groups, conferences, and various events. Consequently, Java Champions often find themselves in high demand as speakers at industry events, where they generously share their insights and knowledge.
When a Java Champion includes this prestigious accolade in their speaker profile, it serves as a compelling endorsement of their expertise and credibility. Event organizers and attendees recognize the Java Champions designation as a mark of excellence in the realm of Java technology. As a result, Java Champion speakers are perceived as authoritative figures in the subjects they present, making it more likely for them to secure speaking engagements and enhancing their visibility within the community.
Beyond the personal benefits for Java Champions, such as networking opportunities and increased exposure for their work, the entire Java community stands to gain from the contributions of these distinguished speakers. By disseminating their knowledge and insights, Java Champions play a pivotal role in elevating the overall expertise and understanding within the Java community. This, in turn, contributes to the continuous improvement of products and services for the benefit of the entire Java ecosystem.