JavaOne Program Committee

Monica Beckwith

Microsoft

Monica Beckwith is a JVM performance strategist and architect specializing in memory management, GC ergonomics, runtime scalability, and microarchitectural performance analysis. At Microsoft, she leads JVM performance and manageability efforts across both upstream OpenJDK and the Microsoft Build of OpenJDK, focusing on efficient resource use, predictable behavior, and large-scale workload performance. Monica mentors engineering teams on modern Java performance methodologies, benchmarking, CPU-level analysis, and deployment-level optimization for cloud and data-center environments.

Gavin Bierman

Oracle

Gavin Bierman works in the Java Platform Group in Oracle designing new features for the Java Programming Language and the Java Virtual Machine. He is the current editor of the Java Language Specification. Prior to joining Oracle, he was a senior researcher at Microsoft Research Cambridge. Before that he was a University Lecturer at the University of Cambridge Computer Laboratory and a Fellow, College Lecturer and Director of Studies at St John's College, Cambridge. He holds a PhD from the University of Cambridge.

Jeanne Boyarsky

CodeRanch

Jeanne Boyarsky is a Java Champion from New York City and has been a Java developer for more than 23 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 mentors the programmers on a high school robotics team in her free time. She has spoken at numerous conferences including Dev Nexus, QCon, KCDC, and JavaOne.

Ed Bratt

Oracle

Ed is Development Director for the Java Framework, Helidon at Oracle. Ed has worked in Java for decades. He has presented at multiple JavaOne conferences and has been working with Java, Enterprise Java, and Application development for over 25 years. Ed represents Oracle on several Jakarta EE, and MicroProfile working group committees.

Sharat Chander

Oracle

Sharat Chander has worked in the IT industry for 25+ years for firms including Bell Atlantic, Verizon, Sun Microsystems, and Oracle. His background is in product management, product marketing, community engagement, and sales enablement. He’s actively involved in building, growing, and nurturing relationships in the Java community for 20 years, to enrich greater Java awareness, acceptance, adoption, and advocacy. As the Head of Developer Outreach Programs at Oracle, Sharat also serves as the JavaOne conference content chairperson directing the technical content and executive material strategy. He is a frequent luminary keynote speaker at worldwide developer conferences including J-Fall, JavaZone, Jfokus, JCON, GIDS, and DevNexus. When not growing visibility for Java, he follows his passion for baseball, actively coaching Little League teams and fanatically following his hometown Baltimore Orioles.

Joe Darcy

Oracle

Joe is a long-term JDK developer at Oracle in the core libraries and language areas who also leads the Compatibility and Specification Review (CSR) OpenJDK group. A former JavaOne Rock Star speaker, Joe has previously been a core track reviewer at over ten prior JavaOne events.

Richard Fichtner

XDEV Software GmbH

Richard Fichtner is the Principal Software Architect at XDEV Software GmbH, with over 20 years of experience in the software industry. He works at the intersection of business and technology, contributing to the open-source community through projects like RapidClipse and advocating for best practices in Apache Maven. Richard is passionate about sharing knowledge on Java technologies, making him a frequent conference speaker. He leads the Java User Group Oberpfalz, co-organizes the JCON conferences and has been recognized as a Java Champion, Oracle ACE Pro, IBM Champion and Vaadin Champion. With a Master of Science in Applied Computer Science, his expertise spans Java, clean code, cloud technologies, and pragmatic development practices, focusing on improving developer productivity through cloud solutions. Richard enjoys relaxing by a campfire and listening to/playing country music in his spare time.

Frank Greco

NYJavaSIG

Frank Greco is a long-time denizen of the local NY tech scene, a senior consultant and enterprise architect specializing in AI/ML, cloud, and mobile/edge computing. He is also an educator, a prolific author, a developer community leader, and a mentor with deep experience in enterprise and production financial systems. Frank co-authored JSR 381 "VisRec", the Java API for visual recognition and AI/ML. He speaks regularly at worldwide conferences, including JavaOne, QCon, DevNexus, Dev2next, Jfokus, Devoxx, IDEA Conf, and Technology-Transfer. Frank's AI work began during his undergraduate days, when he analyzed musical melodies to determine a style and generate new melodies following that style, a precursor to generative AI.  He later served on an elite team at the NY Stock Exchange that monitored insider trading using AI. Frank has experience in helping large organizations design and run production-grade systems and build effective technology partnerships. In addition, Frank is a recognized Java Champion and the founder/Chairman of NYJavaSIG, the world’s first and North America’s largest Java User Group. Frank wrote and performed “Java Jam” with the band The Yield, the first song about Java, at The Bitter End in NY in 1996.  He is a proud member of the JavaOne house band "The Null Pointers".

Jim Grisanzio

Oracle

Jim Grisanzio works at Oracle on the Java Developer Relations Team. He hosts the Duke’s Corner Java Podcast, where he interviews Java developers around the world to capture their stories about the technology and the community. Jim also publishes the Inside Java Newsletter, produces video and photography, delivers community sessions at events, facilitates the Java User Group and Java Champions programs, and contributes to the team’s community development efforts. Jim has been building and contributing to FOSS communities for decades at Sun and Oracle.

Chandra Guntur

JPMorganChase

Chandra is a technologist in the financial services industry since 2003 and is programming with Java since 1998. Chandra was selected as a 2019 Java Champion. He is a Java User Group (JUG) Leader, and helps run one of the largest Java user groups, NYJavaSIG and a founder-leader at the Garden State JUG.

Chandra conducts code workshops and Code Katas on core Java features. He is a frequent speaker at Java user groups, and technology conferences including JavaOne, Oracle CodeOne, Oracle Code NY, QCon New York, Devnexus, DawsCon, Java Istanbul Days and GIDS India.

Mala Gupta

New Delhi Java Users Group

Mala Gupta has authored multiple books with Manning, Packt, and O’Reilly Publications. She has over 20 years of experience in the software industry and is a frequent speaker at international conferences. Nominated a Java Champion in 2018, she is passionate about helping developers understand the semantics of Java features, not just their syntax. She actively supports Java certification as a path to career advancement and co-leads Delhi's Java User Group.

Stefan Johansson

Oracle

Stefan is a software engineer in Oracle's HotSpot GC team, where he has been a key contributor since joining in 2013. With a strong focus on the G1 and ZGC garbage collectors, Stefan has been actively involved in the OpenJDK community for a large part of his career. Before diving into garbage collection, he worked on a variety of other JVM-related projects at Oracle, building a deep expertise in Java performance and memory management.

Mattias Karlsson

Jfokus

Mattias Karlsson is a developer, community leader and an entrepreneur that spends most of his time working with customers in the software industry. Through the years he has gained experience from many different roles, including developer, architect, team leader, coach, manager, and teacher. Mattias wrote a chapter in the "97 Things Every Programmer Should Know" about Code Reviews. Mattias has been running the Stockholm Java User Groups since 2006 and Mattias founded Jfokus in 2007 together with community friends.

In his spare time, enjoys adventures, winter sports and riding his motorcycle.

Dirk Lemmerman

DLSC GmbH and Senapt GmbH

Dirk Lemmermann is the CEO of DLSC GmbH and Senapt GmbH, leading innovative software development initiatives with a focus on user interface technologies. With almost three decades of experience as a software engineer, consultant, and entrepreneur, Dirk has built a reputation for excellence in JavaFX frontend development. As a Java Champion and JavaOne Rockstar, Dirk is a recognized authority in the Java community and a frequent speaker at international developer conferences. He is also the project lead for JFX-Central, a community website for JavaFX developers that offers a comprehensive collection of resources, news, and showcases dedicated to the JavaFX ecosystem. Dirk was the founder and organizer of JFX Days, a dedicated JavaFX conference held on-site in Zurich and online during the pandemic. In addition to his conference and community work, he actively maintains several open-source libraries for JavaFX, supporting developers worldwide in building modern, high-quality desktop applications.

Vincent Mayers

Neo4J

Expat Brit, artist, athlete, traveler, and technology community junkie. Vincent is a Java Champion, a steering committee member for MicroProfile, has been a board member of the Atlanta Java Users Group since 2008, and runs some of the USA's premier community including DevNexus, Connect.Tech, VueConf, and JConf.Dev. Vincent has a degree in 3D Design from the University of Wolverhampton, United Kingdom, and, in another life, was a full-time athlete competing at World Championship level in whitewater kayaking.

Kuassi Mensah

Oracle

Kuassi is the Director of Product Management in the Oracle Database organization. He looks after Java applications and frameworks' connectivity to the Oracle database, including Popular Java frameworks, Oracle Database Vector type and AI frameworks, MCP Servers, connections pooling (UCP, HikariCP), Java in the database, MicroServices and Serverless functions, asynchronous and Reactive DB access, zero downtime, multi-tenancy, and sharded DB, turning Database tables into Hadoop and Spark data sources, and the DB Kubernetes Operator. He holds an MS CS from the Programming Institute of the University of Paris. He is a frequent speaker at Java events such as JCON, JFokus, Scale by the Bay, JavaZone, DevNexus, TDC Brazil, Java Day, as well as Oracle User groups events (UKOUG, DOAG, Sangam, BGOUG, OUGN, etc), Oracle Cloud World, and Oracle AI World.

Sean Mullan

Oracle

Sean is technical lead of the Java Security Libraries team at Oracle and the Lead of the OpenJDK Security Group. He leads a team responsible for the planning and delivery of the cryptographic and security features of the Java Platform including Post-Quantum Cryptography and the Java Cryptographic Roadmap.

Poonam Parhar

Oracle

Poonam Parhar is a software engineer, author, and Product Manager in Oracle’s Java Platform Group. She has extensive experience in JVM sustaining engineering, specializing in resolving HotSpot JVM issues, particularly in debugging, troubleshooting, and enhancing the JVM’s serviceability and supportability. Poonam is passionate about solving complex garbage collection problems and improving debugging tools to facilitate the identification and resolution of JVM-related challenges. In her current role, she focuses on integrating artificial intelligence capabilities into the Java platform, making these technologies accessible to Java applications, and enhancing Java Management Service features to improve the management of Java workloads in enterprise environments. Poonam continues to drive product improvements and innovation. She is a JavaOne RockStar, co-author of the book “Java Performance Companion”, and regularly shares her knowledge and experiences with the Java community through her blog.

Adam Pocock

Oracle

Adam Pocock is a machine learning researcher in Oracle's Machine Learning Research Group. He's the lead developer of [Tribuo](https://tribuo.org) an open source Java ML library, the maintainer of ONNX Runtime's Java API, and co-leads TensorFlow-Java on GitHub, among other contributions to the Java ML ecosystem. He has a PhD in Computer Science from the University of Manchester, which focused on feature/variable selection algorithms in machine learning. His PhD thesis was awarded the British Computer Society's Distinguished Dissertation award in 2013. Since joining Oracle in 2012 he's built scalable Bayesian inference systems for GPUs in Java (a successor project of which is now available as the Sandwood probabilistic programming language, a number of production Java ML systems and worked on training transformer models for code generation.

Phil Race

Oracle

Phil is the lead of the Client Libraries group in OpenJDK, responsible for the core Swing, Java 2D, and AWT APIs that are used to build Java desktop applications and related technologies such as accessibility and printing. He has worked in the Java client team at Sun and now Oracle for many years, with a special focus on text, imaging and image I/O, and printing and has also contributed to these areas in the OpenJFX project. He has spoken on these topics at many JavaOne conferences over the years. He has contributed to OpenJDK since the very beginning and is currently an at-large member of the OpenJDK governing board.

Lize Raes

Oracle

Lize Raes is a Developer Advocate in the Java Platform Group, focusing on Java and AI. She loves breaking down complex topics into simple steps to help developers get started, as well as diving deep and inspiring them with advanced use cases. Lize is also a collaborator of the LangChain4j framework.

Kevin Rushforth

Oracle

Kevin Rushforth is a member of the Oracle Java team and is the co-Project Lead for the OpenJFX project on OpenJDK, where we develop the JavaFX API. He has worked extensively in the 2D and 3D computer graphics industry, focusing on Java Client APIs since 1997.

Zoran Severac

Deep Netts

Zoran Sevarac is a seasoned software engineer, university professor of Artificial Intelligence, and passionate Java developer with more than two decades of experience in software engineering, AI research, and open-source innovation. He is the creator of two pioneering AI development platforms built entirely in Java — Neuroph and Deep Netts — which made AI development more accessible to the Java community. His work bridges modern AI technologies with the reliability, performance, and scalability of the Java ecosystem. A Duke’s Choice Award winner, Java Champion, and member of the Java Community Process Executive Committee, Zoran has been instrumental in driving the evolution of AI support in Java. His mission is to simplify AI adoption, enable GPU acceleration through Project Panama and the Vector API, and bring high-performance, energy-efficient, and FinOps-friendly AI to enterprise systems.

Crystal Sheldon

Oracle

Crystal has over 25 years of experience in Computer Science public education, first as a high school teacher providing students with their first programming experience in Java and then as a curriculum and assessment developer with College Board. In her role with College Board, she played an essential role in making AP CS what it is today while supporting teachers and students learning foundational programming concepts in Java in preparation for the AP Computer Science A exam. She has a passion for broadening participation in computer science to include more women, persons of disabilities, and persons underrepresented in computer science. At Oracle, she is bridging the learning gap for teachers and students as they move from Java 8 to the most current version of Java.

Adam Sotona

Oracle

Adam Sotona is a seasoned software engineer with over 25 years of experience advancing Java technologies, with a particular focus on tools and libraries. As a member of the OpenJDK team, Adam currently contributes to Project Babylon and leads development on the Java ONNX script library, enabling seamless integration of machine learning models with Java. Adam is passionate about fostering the Java ecosystem for AI and machine learning, regularly evaluating emerging technologies, and sharing expertise through teaching.

Venkat Subramaniam

Agile Developer, Inc.

Dr. Venkat Subramaniam is an award-winning author, founder of Agile Developer, Inc., and an instructional professor at the University of Houston.He has trained and mentored thousands of software developers in the US, Canada, Europe, and Asia, and is a regularly-invited speaker at several international conferences. Venkat helps his clients effectively apply and succeed with agile practices on their software projects.Venkat is a (co)author of multiple books, including the 2007 Jolt Productivity award winning book Practices of an Agile Developer. His latest book is Functional Programming in Java: Harnessing the Power of Java 8 Lambda Expressions.

Dan Vega

Broadcom

Dan Vega is a Java Champion and Spring Developer Advocate at Broadcom. He has been developing software for the web for over 23 years and his superpower is problem-solving. Dan is an author, YouTuber, podcaster, and speaker. He is a lifelong learner and his passion is sharing his knowledge with the developer community.