PODCAST · technology
Duke's Corner
by Oracle Corporation
Tune into "fireside chats" with technical experts and customers about the latest technology developments from Oracle.
Episodes
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Carlos Obregón at JavaOne 2026
Jim Grisanzio from Oracle Java Developer Relations talks with Carlos Obregón at JavaOne 2026. Carlos is a Java Champion and also the founder of Bogota's Java User Group, Bogotá JVM. Carlos has been running monthly meetups for over a decade, and he and his colleagues have built one of the most...
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Cristian Schuszter at JavaOne 2026
Jim Grisanzio from Oracle Java Developer Relations talks with Cristian Schuszter at JavaOne 2026. Cristian is a PhD in systems engineering and a Tech Lead at CERN in Geneva. He's been at CERN for 8 years, but he's been coding since he was eight years old. He loves working with and contributing to...
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Martin Chalupa at JavaOne 2026
Jim Grisanzio from Oracle Java Developer Relations talks with Martin Chalupa from Netflix at JavaOne 2026. Martin is a software developer with about eight years at Netflix and about twenty years working with Java. At Netflix, Martin works on the JVM ecosystem team, which grew from the build…
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Luiz Real at JavaOne 2026
Jim Grisanzio from Oracle Java Developer Relations talks with Luiz Real, an engineer and college professor from the SouJava Community in Sao Paulo, Brazil. Luiz came to JavaOne 2026 for the first time this year to build relationships, catch up on the latest technical features in Java, and to mix...
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Henri Tremblay at JavaOne 2026
Jim Grisanzio from Oracle Java Developer Relations talks with Henri Tremblay at JavaOne 2026. Henri is a Java Champion, Montreal JUG leader, and EasyMock lead developer from Montreal, Canada. Henri's session at JavaOne covered the Java Memory Model, which is a topic he believes every Java…
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Bruno Borges at JavaOne 2026
Jim Grisanzio from Oracle Java Developer Relations talks with Bruno Borges from Microsoft at JavaOne 2026. Bruno works on GitHub's Core AI developer relations team. The conversation covers the future of Java in a world of AI, the value of learning core computer science fundamentals in school, the...
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Bob Treacy: From the Factory Floor to Harvard and 30 Years of Java
Bob Treacy started his career as a union steward on the factory floor at GE Aircraft Engines. After earning a BS and MS in Computer Science from Boston University while working and raising a family at the same time, he jumped to software, never looked back, and remains at the cutting edge with…
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Paul Bakker: Go Build a Lot of Stuff!
This is the third in a short series of speaker profiles for JavaOne 2026 in Redwood Shores, California, March 17-19. Get early bird pricing until February 9, and for a limited time, take advantage of a $100 discount by using this code at checkout: J12026IJN100. Register. Sessions. In this...
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Marit van Dijk and Anton Arhipov: 25 Years of IntelliJ IDEA
This is the second in a short series of speaker profiles for JavaOne 2026 in Redwood Shores, California, March 17-19. Get early bird pricing until February 9, and for a limited time, take advantage of a $100 discount by using this code at checkout: J12026IJN100. JavaOne: Register | Sessions In…
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Jeanne Boyarsky: Get Ready for Java 25 Certification
This is the first in a short series of speaker profiles for JavaOne 2026 in Redwood Shores, California, March 17-19. Get early bird pricing until February 9, and for a limited time, take advantage of a $50 discount by using this code at checkout: J12026DCP. Register. Sessions. In this…
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Chris Hermansen: Don't be Afraid to Create
Chris Hermansen: Don't be Afraid to Create Summary Jim Grisanzio from Java Developer Relations talks with Chris Hermansen, a Java developer, consultant, and data analyst from Canada. Chris discovered Java in the 1990s and was drawn to its free accessibility and object-oriented design. He...
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Barry Burd: Teaching Java as an Art Form
Jim Grisanzio from Java Developer Relations talks with Barry Burd, a computer science teacher, an author, and the co-leader for two Java User Groups (JUGs). Barry is based in New Jersey and he's taught at the undergraduate level for decades. His journey with Java began in 2004 when he attended...
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Mattias Karlsson: I think it's Brilliant
Jim Grisanzio from Oracle Java Developer Relations talks with Mattias Karlsson, Java Champion and prominent developer in the Java community who was also honored with the Java Community Lifetime Achievement recognition at Jfokus in February 2024. "I was shocked and honored — very humbled!" Mattias...
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Venkat Subramaniam: I Teach Because I Learn
Jim Grisanzio from Java Developer Relations talks with Venkat Subramaniam who was recognized with the Java Community Lifetime Achievement honors by Oracle's Sharat Chander at Devoxx UK in May 2024. Venkat is a Java Champion, author, speaker, founder of Agile Developer, co-founder of the dev2next...
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Bruno Souza: My Greatest Pride is the Community
Jim Grisanzio from Java Developer Relations talks with Bruno Souza, who is a Java Champion, leader of the SouJava User Group in Brazil, and a member of the JCP Executive Committee. Bruno received the first Java Community Lifetime Achievement recognition in October 2022 at JavaOne in Las Vegas. "I...
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Trisha Gee: It's all about Relationships and People
Jim Grisanzio from Java Developer Relations talks with Trisha Gee, an author, a Java Champion, and a Developer Advocate at Gradle. In February 2025 at Jfokus in Stockholm Trisha received the Java Community Lifetime Achievement honor from Sharat Chander from Oracle Java Developer Relations. Trisha...
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Cay Horstmann: Java Still Vibrant After 30 Years
Jim Grisanzio from Java Developer Relations talks with Cay Horstmann, a professor, author, and Java Champion. In April in Cologne, Germany at JCON Cay received the Java Community Lifetime Achievement recognition from Sharat Chander on the Oracle Java Developer Relations Team. This conversation...
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Heinz Kabutz: Really Life Changing!
Jim Grisanzio from Java Developer Relations talks with Heinz Kabutz from the Island of Crete in Greece. Heinz has a PhD in Computer Science, publishes the The JavaSpecialists' Newsletter, and runs the JCrete Unconference. Heinz is also a Java Champion and a teacher, and he cares deeply about the...
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Nate Schutta: I Just Love to Learn!
Jim Grisanzio from Java Developer Relations talks with Nate Schutta, an author, a teacher, a software architect, and Java Champion. Nate lives in the United States and teaches computer science to university students. He loves teaching and he loves learning, and he specializes in exploring the big...
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Francisco Contreras: I Felt Like I Could do Anything!
Jim Grisanzio from Java Developer Relations talks with Francisco Contreras, who is a Java developer and a co-organizer at Nicaragua JUG. Francisco has been a Java developer for over 15 years and he runs his own consulting business with customers around the world. He's passionate about Java the...
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Ivar Grimstad: Java for Everything
Jim Grisanzio from Java Developer Relations talks with Ivar Grimstad, who is a Java Champion, a JCP Executive Committee Member, and a Jakarta EE Developer Advocate. Ivar is based in Sweden but travels to over 40 events a year talking about Java and Open Source with thousands of developers. He…
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Duke's Corner Live at JavaOne!
The Duke's Corner Java Podcast contributed an 11 minute segment to the Community Keynote at JavaOne 2025 in California in March. Jim Grisanzio from Oracle Java Developer Relations hosted the program with special guests Cay Horstmann, Marit van Dijk, and Lize Raes. The panel covered the latest…
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Tom Cools: My Mission to Spread Java
Jim Grisanzio from Java Developer Relations talks with Tom Cools, an engineer from Belgium, a conference speaker, a Java Champion, and the leader of the Belgian Java User Group. "I make it my mission to spread Java all over Belgium," says Tom as he describes how he runs the BeJUG as an Open…
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François Martin: Teaching Java, Contributing to Java
Jim Grisanzio from Java Developer Relations talks with François Martin, a full stack developer from Switzerland who loves teaching Java to students and contributing to the Java community. This conversation ranges from teaching students Java from scratch, the value of test driven development, the...
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Marit van Dijk Previews JavaOne 2025!
Jim Grisanzio from Java Developer Relations talks with Marit van Dijk, a Java Champion and also a Java Developer Advocate at JetBrains. Marit will present on developer productivity with IntelliJ IDEA at JavaOne March 18-20 in California. Go to javaone.com and register and we'll see you there!…
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Venkat Subramaniam: Be Agile about Being Agile!
Jim Grisanzio from Java Developer Relations talks with Venkat Subramaniam, who is a Java Champion, professor, programmer, and a conference organizer. The conversation ranges from the upcoming JavaOne conference in California in March 2025 to building the Java community, engaging the next…
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Richard Fichtner Previews JavaOne 2025!
Jim Grisanzio from Java Developer Relations talks with Richard Fichtner as he previews his upcoming session at JavaOne in March and offers his perspective on what makes JavaOne special! Go to javaone.com and register and we'll see you there! Richard Fichtner https://x.com/RichardFichtner JavaOne...
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Venkat Subramaniam Previews JavaOne 2025!
Jim Grisanzio from Java Developer Relations talks with Venkat Subramaniam as he previews his upcoming session at JavaOne in March and offers his perspective on what makes JavaOne special! Go to javaone.com and register and we'll see you there! This is just a short JavaOne preview with Venkat.…
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Sharat Chander: Celebrating the Java Community
Jim Grisanzio from Java Developer Relations talks with Sharat Chander, Senior Director, Java Product Management and Community Engagement. Shar and Jim summarized some community development achievements for 2024 and gave a peek into what's coming for 2025 — JavaOne! That's right, JavaOne 2025 will...
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Ted M. Young: Java has been my Career!
Jim Grisanzio from Java Developer Relations talks with Ted M. Young from the San Francisco Bay Area about all things Java and test driven development. Ted streams his coding sessions and builds community around his passion for excellence in software development. His first JavaOne was the first...
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Donald Raab: Unlimited, Untapped Resources
Jim Grisanzio from Java Developer Relations talks with Donald Raab, a Java Champion, the founder of the Eclipse Collections project, and a perfectionist who always seeks the best quality code. The conversation ran wild around all things Java and Donald's experiences with the technology for…
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Piotr Przybyl: The Creativity is Amazing
Jim Grisanzio from Java Developer Relations talks with Piotr Przybyl, a Java Champion and developer advocate in Poland who realized at a young age that "given enough time I could write literally everything! The creativity is amazing! I love it!" Piotr is hard core about coding and his passion for...
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Cesar Hernandez: Sharing with the Community
Jim Grisanzio from Java Developer Relations talks with Cesar Hernandez, a Java Champion, a teacher, and long time contributor to multiple Open Source projects from Guatemala. The conversation ranged from how Cesar blew up his dad's computer to start his computer science career, teaching Java to...
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Hanno Embregts: Making the World a Better Place
Jim Grisanzio from Java Developer Relations talks with Hanno Embregts, a Java Champion and an Oracle ACE Pro from The Netherlands who loves contributing to the Java community and presenting technical and musical sessions at developer conferences. And Hanno is especially passionate about making…
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Cay Horstmann at JavaZone 2024
Jim Grisanzio from Java Developer Relations talks with author and Java Champion Cay Horstmann at JavaZone Oslo 2024. The conversation covered Java for small tasks, teaching Java to thousands of students for decades, and the thriving Java conferences around the world. Cay Horstmann...
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JavaZone: Everything is Possible
Jim Grisanzio from Java Developer Relations talks with Dervis Mansuroglu and Marek Machnik last week from JavaZone 2024 in Oslo. Dervis and Marek are two of the organizers from the Norwegian Java User Group who helped lead this year's JavaZone event. The discussion covered the speakers, the…
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Elias Nogueira: Share Everything you Know!
Jim Grisanzio from Java Developer Relations talks with Elias Nogueira, a Java Champion and an Oracle ACE Pro from The Netherlands who loves the Java community and sharing everything he's learned. The conversation ranges from Elias's early experience learning Java and many other programming...
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Simon Martinelli: Trains, Code, Community, and Teaching!
Jim Grisanzio from Java Developer Relations talks with Simon Martinelli, a Java Champion and an Oracle ACE Pro from Switzerland who loves contributing to FOSS projects and teaching students all about Java. The conversation ranges from Simon's early experience learning Java, working for the Swiss...
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Praveen Mohan: Quality in Java and the Community
Jim Grisanzio from Java Developer Relations talks with Praveen Mohan, Director of Java Quality and Infrastructure at the Oracle India Development Center in Bangalore, which is part of the Java Platform Group. The conversation covers the technical details of the quality engineering operation in...
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Bert Jan Schrijver: Java is a Marvel of Engineering
Jim Grisanzio from Java Developer Relations talks with Bert Jan Schrijver from The Netherlands. Bert is a Java Champion, a leader of the Dutch Java User Group, and the CTO and co-founder of OpenValue that he started in 2017. The conversation spans all of Bert's experiences as a software…
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Richard Fichtner: JCON 2024 Preview
Jim Grisanzio from Java Developer Relations talks with Richard Fichtner, a Java developer from Germany who is also a JUG leader and an Oracle ACE Pro. The conversation previews the upcoming JCON Europe 2024 Conference in Cologne, which will have 100 sessions of core Java technologies and a…
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Mohammed Aboullaite: With Java it was Love at First Sight
Jim Grisanzio from Java Developer Relations talks with Mohammed Aboullaite, a Java developer from Morocco who is now based on Stockholm, Sweden. The conversation covers how Mohammed first fell in love with Java in college, and he's been contributing to the community ever since. Mohammed says it's...
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Marit van Dijk: The Java Community is Awesome!
Jim Grisanzio from Java Developer Relations talks with Marit van Dijk, a Java Champion and Developer Advocate at JetBrains based in The Netherlands. The conversation covers all things Java — the growing community, the latest features to enable developer productivity, contributing to Open Source,...
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Jonathan Vila: Everything Changed!
Jim Grisanzio from Java Developer Relations talks with Jonathan Vila, a Java engineer and Java Champion based in Barcelona, Spain. The conversation covers Jonathan's long career in software development, his love/hate relationship with various languages, his passion for Java, the benefits of...
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Dervis Mansuroglu: Dreaming Big with Java!
Jim Grisanzio from Java Developer Relations talks with Dervis Mansuroglu, a Java engineer and Java Champion based in Oslo, Norway. The conversation covers coding for massively scalable systems, managing engineering teams, running the JavaBin User Group and the JavaZone conference, building the...
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Mary Grygleski: Community is Innate!
Jim Grisanzio from Java Developer Relations talks with Mary Grygleski, a Java developer and Java Champion based in Chicago. The conversation covers Java's longevity, building the Java community, running the Chicago Java User Group, and the constant need to keep learning. Mary embraces the concept...
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Jeanne Boyarsky on Java, Learning, and Contributing
Jim Grisanzio from Java Developer Relations talks with Jeanne Boyarsky, a Java developer and Java Champion based in New York City. The conversation covers the evolution of Java, some of the core features of the language and platform, contributing to the Open Source community, and how developers...
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Sharat Chander: Tis the season of thanks!
Jim Grisanzio from Java Developer Relations talks with Sharat Chander, Sr. Director, Java Product Management & Community Engagement, about the Java community. The conversation explores Shar's beautiful summary of his experiences with the Java community in 2023 that he published on Inside Java:...
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Stéphane Nicoll on Contributing to and Growing Communities
Jim Grisanzio from Java Developer Relations talks with Stéphane Nicoll, a software engineer based in Belgium working on the Spring team. Stéphane talks about his experience becoming a Java developer, his observations seeing Java evolve and improve, and the importance of contributing to Java and...
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Sam Brannen: Hard Core Software Developer
Jim Grisanzio from Java Developer Relations talks with Sam Brannen, a Java engineer from Switzerland who loves math and puzzles and solving complex problems in code. He's passionate about his craft and he loves diving deep into the details. He works on the Spring Framework and JUnit 5. Get him on...
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ABOUT THIS SHOW
Tune into "fireside chats" with technical experts and customers about the latest technology developments from Oracle.
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Oracle Corporation
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