group speakers.title

Quality freak, clean code preacher, TDD enthusiast, pair-programming practitioner. In love with Java since the start of my career, excited about devops in the last few years. Developing highly-available core systems at Rabobank.

Adele is a Software Engineer and Consultant at Trifork Amsterdam where she is working on systems for the educational sector. Most of her work day is spent in the JVM/Spring and React ecosystems, although increasingly she plays a pivotal role as trusted advisor to Trifork’s customers.Adele is an experienced international speaker, having spoken at multiple editions of NDC, goto, Devoxx and JavaZone. As a speaker, she uses her exposure to real-world customer projects, experiences outside of tech and passion for story-telling to distill complex ideas into their essential parts. All with an air of good humour.When she’s not at her computer or on stage, you can find her in the gym pumping some serious iron as she pursues the sport of powerlifting.

Aicha Laafia, a Java software engineer with a love for coding, an interest in sustainability, and a commitment to empowering women in tech.I am a WomenTech Makers and GirlCodedev ambassador, and a member of the TheMoroccanACS Association of Computing Science.Recently I joined JetBrains Community Contributor program.I focus on creating software with minimal environmental impact while mentoring and supporting women in technology. I enjoy exploring delicious food, and watching Formula 1 when I'm not coding.I write articles about sustainability , Java ecosystem and anything I am interested in Medium

Alejandro Serrano Mena is a passionate of formal methods and functional programming in software development, especially using Kotlin and Haskell as languages. He works as researcher in the Kotlin Language Evolution team at JetBrains and helps co-maintaining the Arrow library. He enjoys not only using and improving those tools, but also spreading the word: he's written four books targeting different levels, regularly gives talks in conferences and meetups.For quite some time Alejandro was an academic, working on the area of compilers and type systems for functional languages. His PhD thesis versed over error messages, and he's been involved in efforts like improving GHC's support for impredicativity. This knowledge is put in practice in several open source projects, many of them using metaprogramming techniques or compiler extensions.

Alina is a developer advocate for GraalVM at Oracle. Loves both programming and natural languages, compilers, and open source. Ambassador of snacks and not running.

Ana is a Java Champion Alumni, Developer Advocate for the Java Platform Group at Oracle, guest author of the book "DevOps tools for Java Developers", and a constant adopter of challenging technical scenarios involving Java-based frameworks and multiple cloud providers. She actively supports technical communities' growth through knowledge sharing and enjoys curating content for conferences as a program committee member. To learn more about/from her, follow her on Twitter @ammbra1508.

Anders Norås started out in arts and design, but for the last 25 years he has been creating magic with code instead of paint. Blending creativity with technical skill, he brings a perspective on technology that is as much about people as it is about software.He has given more than 100 talks at conferences around the world. His presentations are not just lectures, they are experiences. With a sharp delivery and high energy, Anders turns even dry technical material into something lively, memorable and often funny.Whether you are into computer science, design, media or anything else, Anders offers insights that will make you think and probably make you laugh. He does not just talk about technology. He brings it to life.

Annie is a Developer Advocate at Coralogix, where she connects with developers to spark conversations about smarter observability and how to connect deep technical metrics with outcomes that matter. As a Green Software Champion, Annie also advocates for reducing the environmental impact of software and empowering developers to create solutions that are both impactful and sustainable. Originally from New Zealand, she brings a warm, community-focussed approach to her talks and content. Prior to Coralogix, she was a software engineer at Xero, and has a background in law.

Anton is a Developer Advocate at JetBrains, working with Kotlin, IntelliJ IDEA, and AI-driven developer tools. With a background in server-side development, he has spent over a decade building software for developers. A Java Champion since 2014, Anton speaks at conferences, shares insights on the Kotlin YouTube channel, and enjoys exploring new ideas in programming languages, AI-powered tooling, and developer workflows. He’s always experimenting with new tech, looking for ways to make coding more efficient and enjoyable.

Artem Makarov is a Principal Engineer at Code Nomads. He's been working on Java projects in various industries for the past 12 years. Having Masters in Electronics Engineering he is passionate for applying engineering practices in his projects, contributing to better software design and reliability. Besides his developer role, he frequently helps aspiring developers to master software developer craft by sharing knowledge and hosting trainings. In his free time he enjoys traveling, road cycling and learning electronic music production.

Meet Ashish Ghosh, a seasoned Quality Engineering Lead and Architect with over 15 years of experience in the industry. Currently leading the Quality Engineering Center of Excellence at ING Bank, Ashish has played an instrumental role in reshaping the testing landscape, driving both Functional and Non-Functional testing streams. His contributions have not only revolutionized testing at ING but have also earned recognition from Forrester for setting new standards in efficiency and reliability.Ashish’s expertise spans across Quality Assurance transformation, data transformation, and building advanced test automation frameworks. He is the creator of INGenious, an open-source, low-code test automation framework built on top of Playwright, which has become a game-changer in the automation space. A strong advocate for knowledge sharing, Ashish actively contributes to the tech community through Medium and GitHub, where he has garnered a large following. With over 70 GitHub repositories showcasing starter guides on a variety of tools, platforms, and CI/CD solutions, Ashish is committed to empowering others in the field.

Balkrishna works as an engineering lead at ING Bank. He is a frequent speaker at renowned tech conferences. He has passion for continuous learning and genuine desire to sharing knowledge. Although he has been working with Java for many years, he finds latest developments in Java quite exciting. He is also an Oracle ACE Associate for Java.

Baruch Sadogursky (@jbaruch) did Java before it had generics, DevOps before there was Docker, and DevRel before it had a name. He built DevRel at JFrog from a ten-person company through IPO, co-authored "Liquid Software" and "DevOps Tools for Java Developers," and is a Java Champion, Microsoft MVP, and CNCF Ambassador alumni.Today, he's obsessed with how Al agents actually write code. At Tessl, an Al agent enablement platform, Baruch focuses on context engineering, management, and sharing. On top of sharing context with Al agents, Baruch also shares knowledge with developers through blog posts, meetups, and conferences like DevNexus, QCon, Kubecon, and Devoxx, mostly about why vibecoding doesn't scale.

Bert Jan is CTO at OpenValue and focuses on Java, software architecture, Continuous Delivery and DevOps. Bert Jan is a Java Champion, JavaOne Rock Star speaker, Duke's Choice Award winner and leads NLJUG, the Dutch Java User Group. He loves to share his experience by speaking at conferences, writing for the Dutch Java magazine and helping out Devoxx4Kids with teaching kids how to code. Bert Jan is easily reachable on BlueSky via @bjschrijver.dev.

Bouke Nijhuis is the CTO at CINQ ICT. He likes to learn new things and he loves to live code on the stage. Furthermore he is an international speaker and a committer of open source projects. You can reach him on Bluesky at @boukenijhuis.bsky.social.

Boyen is a husband, father of two, Irish Trad musician, and self-proclaimed Software Physicist exploring the forces shaping software development. Currently, he works as a Staff Engineer at Alliander, specializing in risk analysis for Software & Architecture across the enterprise.

Hello, I'm Bram Janssens, a software engineer and teacher from the Netherlands. I work as a trainer/consultant at Info Support, where I teach Java and other programming languages to professionals. I studied Computer Science at the University of Twente, followed by a one-year university teacher training program to become a mathematics teacher. Throughout my career, I’ve alternated between teaching and software engineering—but at heart, I consider myself a teacher. I enjoy helping others, explaining complex topics clearly, and making a meaningful difference. My motto: "Actually, it’s quite simple!" While I'm happy to support others in any subject, my technical expertise lies in Java, thanks to years of hands-on experience. I'm also enthusiastic about Kotlin and enjoy exploring its modern features. In my free time, I enjoy playing tennis, doing pub quizzes, brewing beer, and umpiring at the national level for the Dutch baseball association. Digital business card: bramjanssens.nl

Staff Developer Advocate for Snyk, Java Champion, and Software Engineer with over a decade of hands-on experience in creating and maintaining software. He is passionate about Java, (Pure) Functional Programming and Cybersecurity. Brian is a JUG leader for the Virtual JUG and the NLJUG. He also co-leads the DevSecCon community and is a community manager for Foojay. He is a regular international speaker on mostly Java-related conferences like JavaOne, Devnexus, Devoxx, Jfokus, JavaZone and many more. Besides all that, Brian is a military reserve for the Royal Netherlands Air Force and a Taekwondo Master / Teacher.

Chris DeMars is a Senior Developer Advocate. He has over 20 years of technical experience and speaks globally on various frontend topics and has received accolades for his community contributions, including the prestigious Microsoft MVP and Progress Champion awards to name a few. Chris is passionate about enhancing web development and helping developers achieve their goals. In his free time, he enjoys rating Detroit-style pizza, searching for Bigfoot, and investigating UFO's.

Christian Tzolov leads the Spring AI and MCP Java SDK projects as an R&D Software Engineer on Broadcom's Spring team. He bridges the gap between enterprise systems and AI, giving Java developers practical tools to build intelligent applications.

Raniz is a programmer, architect, speaker and coach at factor10. He is a problem solver who keeps track of the bigger picture. He is prestigeless, likes to get into new domains, and loves sharing knowledge and ideas. Raniz has worked with system- and software architecture at several companies since 2010 and has been with factor10 since 2021. When not working he's into beer brewing, sourdough bread, 3D printing and triathlons.

Daniele Tonella is the chief technology officer at ING. A lifelong technologist, he describes himself as “a mechanical engineer by mistake” with an enduring passion for tech. He started coding when he was 10 years old, and at 18, “with the self‑confidence of that age”, he believed he already understood technology well enough to study something different, so he pursued mechanical engineering. Despite that, he never stopped tinkering and coding on the side, eventually moving fully into the technology world.Daniele has over 20 years of experience in senior technology and leadership roles in the financial industry and currently serves in advisory and board positions for several companies. Before joining ING, he worked at UniCredit, including as Group Chief Information Officer and CEO of UniCredit Services. Prior to that he held roles at AXA Group, Evalueserve, and Swiss Life. He began his career as a consultant at Mercer and later McKinsey & Company in Switzerland.He holds a master’s degree in industrial engineering from ETH Zürich and completed executive education programmes at Harvard, IMD, INSEAD, and MIT Sloan.

Daniël is a software engineer at Info Support, specializing in the Java ecosystem. He has a keen interest in functional programming and is particularly engaged with the emerging field of AI-augmented software engineering. His work is driven by a passion for tackling complex problems and uncovering elegant, maintainable solutions.Daniël is not only energized by solving challenging technical puzzles but also by empowering others to understand and master them. He brings clarity to complexity and thrives in environments where deep thinking and collaborative learning go hand in hand.

Daniël Spee is a software engineer at Yuma with a passion for search, AI, and data-centric systems. He believes that great search goes beyond technology and requires a deep understanding of user intent, data semantics, and the business context that drives decision-making.By combining AI techniques with classical search approaches, Daniël builds smarter, context-aware systems that bridge the gap between information and insight. His current focus is on leveraging AI agents and retrieval pipelines to automate and enhance real-world workflows, turning data into action and intelligence.

Delicia de Jong works at Chainguard, where she spends her days talking to engineering and security teams who are stuck in the same loop: endless CVEs, patching, and reacting to the next incident.Before Chainguard, she worked with companies like Miro, Datadog and Hewlett Packard Enterprise, helping teams scale their workflows and platforms. Over time, one pattern kept showing up: teams weren’t struggling to build software, they were struggling to secure everything around it.That’s what led her into the world of software supply chain security.At Voxxed Days Amsterdam, Delicia shares what she sees across teams today, why traditional approaches to open source security are breaking down, and how organizations can move from constantly reacting to actually building secure software by default.