Most Active Speakers 2025

Sessionize proudly presents the list of the most active speakers in the year 2025!

  • 1125 speakers
  • Auto-generated
Matteo Bianchi

Matteo Bianchi

Matteo is a Solutions Engineer at GitHub, CNCF Ambassador and Cloud Native aficionado, a former startup CTO and DevRel. Open Source contributor, part of the Kubernetes Release Team since v1.31 and until v1.34, serving in Release Engineering since v1.33.

Hacker, builder and problem solver by nature. Singing in a metal band whenever there's nothing left to fix in the cloud. @mbianchidev on (almost) every social media.

Matteo is a Solutions Engineer at GitHub, CNCF Ambassador and Cloud Native aficionado, a former startup CTO and DevRel. Open Source contributor, part of the Kubernetes Release Team since v1.31 and until v1.34, serving in Release Engineering since v1.... Show more

Tanya Gupta

Tanya Gupta

Tanya is an Author, LinkedIn Top Voice, and AVP at Barclays. A renowned Agile project management expert, cybersecurity specialist, and technology leader, Tanya has inspired thousands with her insights on STEM education, leadership, and innovation. As a Certified Scrum Master and Business Analyst, she has helped businesses optimize project delivery and foster collaboration.

Her book, Discovering The Silver Bullet, offers valuable lessons on Agile transformation and project management. Tanya is also a mentor at AnitaB.org and a WIFM Wolfpack Facilitator, empowering professionals worldwide.

Tanya is an Author, LinkedIn Top Voice, and AVP at Barclays. A renowned Agile project management expert, cybersecurity specialist, and technology leader, Tanya has inspired thousands with her insights on STEM education, leadership, and innovation. As... Show more

Courtney Yatteau

Courtney Yatteau

Courtney Yatteau is a Developer Advocate on Esri's Developer Experience Team, where she helps developers build better web applications with modern JavaScript tools, libraries, and mapping technology. Before Esri, she taught computer science and mathematics, which shaped her approach to making technical concepts clear, approachable, and visual.

Courtney Yatteau is a Developer Advocate on Esri's Developer Experience Team, where she helps developers build better web applications with modern JavaScript tools, libraries, and mapping technology. Before Esri, she taught computer science and mathe... Show more

Alexander Arvidsson

Alexander Arvidsson

Alexander is the Lead Data Transformation Architect at Advania in Sweden, where he spends his days helping clients of all shapes and sizes to take better care of - and make more sense of - their data.
He has spent the last 29 years poking around with data, databases, and related infrastructure services such as storage, networking, and virtualization, occasionally emerging from the technical darkness to attend a Star Wars convention somewhere in the world.
He is a long-time Data Platform MVP, frequent international speaker, podcaster, Pluralsight author, blogger, and a Microsoft Certified Trainer, focusing on the Microsoft data platform stack.

Alexander is the Lead Data Transformation Architect at Advania in Sweden, where he spends his days helping clients of all shapes and sizes to take better care of - and make more sense of - their data. He has spent the last 29 years poking around wit... Show more

Daniel Afonso

Daniel Afonso

Daniel Afonso is a Senior Developer Advocate at PagerDuty, SolidJS DX team member, Instructor at Egghead.io, and Author of State Management with React Query. Daniel has a full-stack background, having worked with different languages and frameworks on various projects from IoT to Fraud Detection. He is passionate about learning and teaching and has spoken at multiple conferences around the world about topics he loves. In his free time, when he's not learning new technologies or writing about them, he's probably reading comics or watching superhero movies and shows.

Daniel Afonso is a Senior Developer Advocate at PagerDuty, SolidJS DX team member, Instructor at Egghead.io, and Author of State Management with React Query. Daniel has a full-stack background, having worked with different languages and frameworks on... Show more

Øystein Hagen Blixhavn

Øystein Hagen Blixhavn


Øystein Hagen Blixhavn is passionate about getting stuff done, in basically all senses of the words. If it reduces wasteful effort and time, fantastic. If it improves the developer experience and increases their flow, amazing! This aspiration has led him to roles as system- and platform architect and platform developer, because these roles are directly concerned with increasing rate of stuff getting done.

Learning stuff and gaining cool insights is another thing that drives him, and his talks always seek to stimulate curiosity and induce this feeling in the audience.

Øystein Hagen Blixhavn is passionate about getting stuff done, in basically all senses of the words. If it reduces wasteful effort and time, fantastic. If it improves the developer experience and increases their flow, amazing! This aspiration has ... Show more

Pradeep Sharma

Pradeep Sharma

Pradeep is as old as the internet but he didn’t have reliable access to the electricity or the internet until he entered IIT Roorkee where he studied electronics and programming. His interest in programming grew more after his work as a Computer Science Researcher at L3S Research Center (Germany) and Sabanci University (Istanbul). His newfound passion and early successes propelled him into a career as a developer.

Throughout his 14+ years of career, Pradeep developed applications in diverse domains such as dev productivity, privacy, neural search, authentication, NLP, cryptography, data engineering, etc.

Pradeep founded two startups, authored a book, and published #OpenSourceDiscovery newsletter. For 8 years, Pradeep developed and maintained his key project - Developer Diary, a cross-platform productivity tool for developers. This long-term commitment provided him with deep insights into the evolution of various engineering and community functions. Leveraging these insights, he guided various Open Source organizations to create category-leading developer tools and foster thriving, engaged developer communities.

As a late bloomer in tech from a small town, he witnessed how the internet empowered developers from remote areas to transform their lives. This inspired him to found Invide, an invitation-only community for developers from underserved regions. Drawing from his own journey, the initiative helped over 15000 experienced developers with resources he once lacked.

Pradeep is as old as the internet but he didn’t have reliable access to the electricity or the internet until he entered IIT Roorkee where he studied electronics and programming. His interest in programming grew more after his work as a Computer Scie... Show more

Olivier My

Olivier My

Coach Agile et Coach Professionnel, Olivier accompagne des individus, des équipes et des organisations ayant l’envie d’aller vers plus d’adaptabilité, de résilience et de pérennité humaine dans ce monde en perpétuel mouvement. Dans ce sens, il les aide à mobiliser les énergies vers un objectif porteur de sens, à mieux coopérer ensemble et à changer avec plaisir. Son approche se veut simple et légère, sans injonction et teintée de développement personnel.

Coach Agile et Coach Professionnel, Olivier accompagne des individus, des équipes et des organisations ayant l’envie d’aller vers plus d’adaptabilité, de résilience et de pérennité humaine dans ce monde en perpétuel mouvement. Dans ce sens, il les ai... Show more

Sasha Denisov

Sasha Denisov

Sasha is CTO at Brainform.ai with over 20 years of experience architecting scalable enterprise systems. With a strong engineering background, his expertise spans frontend, backend, cloud infrastructure, mobile development, and AI — from cloud-based generative AI to on-device solutions. He specializes in building robust, production-ready products using a variety of technologies and frameworks. Sasha has delivered solutions across fintech, digital media, and entertainment. He is a Google Developer Expert for Cloud, AI, Firebase, Flutter, and Dart, co-organizes the Flutter Berlin Community, and is a recognized international speaker and writer, having presented at 30+ conferences worldwide.

Sasha is CTO at Brainform.ai with over 20 years of experience architecting scalable enterprise systems. With a strong engineering background, his expertise spans frontend, backend, cloud infrastructure, mobile development, and AI — from cloud-based g... Show more

Mahendran Selvakumar

Mahendran Selvakumar

I'm Mahendran Selvakumar, a Cloud Native technologist and Open Source advocate with deep experience in Kubernetes, AWS, and HashiCorp tools and Service Mesh. I'm a HashiCorp Ambassador, Linkerd Ambassador, AWS Community Builder. I organize the AWS West Midlands, West Midlands HashiCorp, and Cloud Native Birmingham user groups.

I’ve delivered talks at DevOps Live, HashiTalks, Hashicorp User Groups and other industry events, focusing on Kubernetes,platform engineering, secure infrastructure, and service mesh adoption. I also mentor students through free AWS and Terraform training and publish technical blogs on https://devopstronaut.com to make Cloud Native and Open Source technologies more accessible.

I'm Mahendran Selvakumar, a Cloud Native technologist and Open Source advocate with deep experience in Kubernetes, AWS, and HashiCorp tools and Service Mesh. I'm a HashiCorp Ambassador, Linkerd Ambassador, AWS Community Builder. I organize the AWS We... Show more

Christian Henrik Reich

Christian Henrik Reich

Sr. Solution Architect at Microsoft. I started programming as a kid and never stopped. I have worked across everything from embedded systems to large‑scale data platforms. My work over the past decade has focused on Data and AI with a strong emphasis on Microsoft Fabric, SQL Server, Databricks, cloud‑scale architectures, modern data engineering, and Machine Learning. I volunteer teaching AI and Machine Learning, and I’m currently writing “The Data Engineer’s Guide to Microsoft Fabric” for O’Reilly.

Sr. Solution Architect at Microsoft. I started programming as a kid and never stopped. I have worked across everything from embedded systems to large‑scale data platforms. My work over the past decade has focused on Data and AI with a strong emphasis... Show more

Steve Campbell

Steve Campbell

Steve co-owns Analytic Endeavors, a boutique data consultancy helping organizations build Master Data - centralized data that is trusted, validated, and AI-ready. We design and deliver well-architected data platforms with strong data foundations, embedded data quality, and master data management, supported by our proprietary Nexus platform.

I’m also the founder of Sunny BI, where we run Build Camps, a delivery-led model with a unique blend of training and consulting, where your team learns by doing. They build a real solution to a real business problems, using your own data and platforms, and leave with a working POC and the skills to take it forward.

Outside of this, I’m a Microsoft MVP and an active community contributor. I speak globally at major data and Microsoft conferences and share practical Power BI guidance through my website and social channels

Steve co-owns Analytic Endeavors, a boutique data consultancy helping organizations build Master Data - centralized data that is trusted, validated, and AI-ready. We design and deliver well-architected data platforms with strong data foundations, emb... Show more

Andrew Connell

Andrew Connell

Andrew Connell is a Principal Software Engineer at AvePoint, where his focus is agentic engineering: using AI to build and ship product to market with more velocity than traditional development allows. He's a 22-year recipient of Microsoft's MVP Award and, for the past two decades, has specialized in the Microsoft 365 Developer and Microsoft Azure ecosystems.

In 2016, he founded Voitanos, a training platform that has helped thousands of developers become experts in Microsoft 365 through live workshops, on-demand video courses, and a newsletter with over 22,000 subscribers. Voitanos will close on October 1, 2026. Andrew continues to write, speak at conferences, and share what he's learning at https://www.andrewconnell.com/.

Andrew Connell is a Principal Software Engineer at AvePoint, where his focus is agentic engineering: using AI to build and ship product to market with more velocity than traditional development allows. He's a 22-year recipient of Microsoft's MVP Awar... Show more

Arjan Rijsdijk

Arjan Rijsdijk

I’m Arjan Rijsdijk, a Power Platform enthusiast, or as I like to call myself, a Power Addict, based in the Rotterdam area in the Netherlands. I work at Powerbouwer on some of the coolest Power Platform projects, always focused on creating real added value for users.

My first introduction to the Power Platform showed me how much impact smart low-code and vibe-code solutions can have. Since then, I’ve kept building, experimenting and learning. What I enjoy most? Working with other Power Platform experts and pushing each other to the next level.

I also love sharing that passion as a speaker. At events and sessions, I talk about the Power Platform, my experiences and the lessons I pick up along the way.

Learn something new every day. Stay Hungry. Stay Foolish.

I’m Arjan Rijsdijk, a Power Platform enthusiast, or as I like to call myself, a Power Addict, based in the Rotterdam area in the Netherlands. I work at Powerbouwer on some of the coolest Power Platform projects, always focused on creating real added ... Show more

Kanwal Khipple

Kanwal Khipple

Kanwal Khipple is the CEO and Founder of 2toLead, a trailblazing consulting firm dedicated to innovative digital workplace transformations. Over the past decade, he has established himself as a trusted authority in creating engaging, award-winning employee experiences that seamlessly blend design, technology, and human-centric thinking. Recognized by the Nielsen Norman Group for designing two Top 10 Intranets, Kanwal continues to influence how modern organizations enhance collaboration, learning, and performance.

As AI reshapes how employees interact with information and one another, Kanwal focuses on leveraging cutting-edge tools—like personalization engines, intelligent chatbots, and workplace analytics—to drive meaningful, future-ready workplaces. A long-standing Microsoft 365 community contributor and Microsoft and Business Applications MVP since 2009, he frequently speaks on the value of embracing emerging technologies to amplify rather than replace human connection. His mission is to ensure that as we evolve our workplaces with AI, we do so ethically, responsibly, and with enduring human value at the core.

Kanwal Khipple is the CEO and Founder of 2toLead, a trailblazing consulting firm dedicated to innovative digital workplace transformations. Over the past decade, he has established himself as a trusted authority in creating engaging, award-winning em... Show more

Aditya Soni

Aditya Soni

Aditya Soni is a DevOps/SRE tech professional He worked with Product and Service based companies including Red Hat, Forrester Research, Searce, and is currently positioned at SailPoint as a Senior DevOps Engineer. He holds AWS, GCP, Azure, RedHat, and Kubernetes Certifications.He is a CNCF Ambassador, and AWS Community Builder for 4 years He leads AWS, CNCF, and HashiCorp user groups for Rajasthan State in India. He has spoken at many conferences, both in-person and virtually.

Aditya Soni is a DevOps/SRE tech professional He worked with Product and Service based companies including Red Hat, Forrester Research, Searce, and is currently positioned at SailPoint as a Senior DevOps Engineer. He holds AWS, GCP, Azure, RedHat, an... Show more

Roman Tesolkin

Roman Tesolkin

Data Adventurer | Power BI Enthusiast | Microsoft Fabric & Databricks Certified Data Engineer

Sharing Insights and Empowering Through Data! Based in Frankfurt am Main, originally from Ukraine

Data Adventurer | Power BI Enthusiast | Microsoft Fabric & Databricks Certified Data Engineer Sharing Insights and Empowering Through Data! Based in Frankfurt am Main, originally from Ukraine Show more

Sonja Wagenbichler

Sonja Wagenbichler

Sonja Wagenbichler is a recognized expert in Microsoft 365 Copilot, Copilot Agents, and Prompt Engineering. As Head of AI / Change & Adoption at Power Manufaktur GmbH, she leads transformative projects that enable the intelligent use of generative AI in the workplace. Her goal is to help organizations not only implement Copilot technologies on a technical level but also anchor them effectively and sustainably in everyday business operations.

A key focus of her work is the development of well-designed prompts and adaptable Copilot Agents that deliver measurable efficiency gains. With her deep understanding of the modern workplace and her many years of experience in change management, she ensures that new technologies are not only introduced but also actively adopted.

Sonja brings extensive experience in building knowledge platforms and has a keen ability to tailor complex content to specific audiences. Her background in teaching has given her a strong sense of how to communicate knowledge in a way that is both accessible and sustainable. With a solid foundation in IT and in-depth expertise in Microsoft technologies, she is a trusted partner for organizations looking to successfully navigate the shift toward an AI-powered work environment.

Sonja Wagenbichler is a recognized expert in Microsoft 365 Copilot, Copilot Agents, and Prompt Engineering. As Head of AI / Change & Adoption at Power Manufaktur GmbH, she leads transformative projects that enable the intelligent use of generative AI... Show more

Whitney Lee

Whitney Lee

Whitney Lee is a creator and systems thinker who explores how observability, AI, and platform engineering connect across the cloud native ecosystem. She brings humor, depth, and clarity to complex technologies while building original frameworks that help others understand how systems fit together. She runs a vibrant YouTube channel, hosts Datadog Illuminated and Software Defined Interviews, has delivered two KubeCon keynotes and countless breakout talks, and combines storytelling and technical rigor to illuminate the human side of cloud native engineering.

Whitney Lee is a creator and systems thinker who explores how observability, AI, and platform engineering connect across the cloud native ecosystem. She brings humor, depth, and clarity to complex technologies while building original frameworks that ... Show more

David vonThenen

David vonThenen

David vonThenen is an AI/ML Engineer where he focuses on production AI systems, enterprise AI strategy, and architectures for explainable, governable, and reliable generative AI. His work spans Agentic AI, Graph RAG, Document RAG, AI memory systems, multi-agent architectures, OpenSearch, Neo4j, data lineage, provenance, and AI governance.

David has more than 20 years of experience building production software across AI/ML, speech and NLP, Kubernetes, cloud-native platforms, storage, virtualization, and backup/recovery. He combines hands-on engineering with technical strategy, open-source leadership, developer advocacy, and customer-facing architecture work.

He has spoken at NVIDIA GTC, Devoxx (UK, France, Greece, Poland, Morocco), ODSC, WeAreDevelopers, All Things Open, and SCaLE on topics including explainable AI, adaptive RAG, agentic systems, model quantization, multimodal ML, voice cloning, and small language model training. His mission is to help teams move beyond AI prototypes and build systems that are observable, reproducible, trustworthy, and ready for production.

David vonThenen is an AI/ML Engineer where he focuses on production AI systems, enterprise AI strategy, and architectures for explainable, governable, and reliable generative AI. His work spans Agentic AI, Graph RAG, Document RAG, AI memory systems, ... Show more

Kay Sauter

Kay Sauter

Kay Sauter has been working with SQL Server since 2013. His expertise covers SQL Server, Azure, Data Visualization, and Power BI. He is a Microsoft Data Platform MVP.

Kay blogs on kayondata.com and is actively involved in various community projects like Data TGIF, databash.live, data-conference.ch, and Data Platform Data Platform DEI Virtual Group. Being deaf himself, he is an advocate for people with handicaps and accessibility for any conference.

He is based in Zurich, Switzerland and in his free time, together with his wife, he loves to travel to learn from other cultures and perspectives.

Kay Sauter has been working with SQL Server since 2013. His expertise covers SQL Server, Azure, Data Visualization, and Power BI. He is a Microsoft Data Platform MVP. Kay blogs on kayondata.com and is actively involved in various community project... Show more

Jessica Andersson

Jessica Andersson

Jessica has extensive experience and expertise within cloud architecture, cloud infrastructure and platform engineering. She's a hands-on technical leader who has built up and led platform teams within developer experience and data. She is also a Cloud Native Computing Foundation (CNCF) ambassador who regularly shares her knowledge both in the local Gothenburg community and at conferences such as QCon.​

Jessica has extensive experience and expertise within cloud architecture, cloud infrastructure and platform engineering. She's a hands-on technical leader who has built up and led platform teams within developer experience and data. She is also a Clo... Show more

Louëlla Creemers

Louëlla Creemers

Louëlla Creemers is a software developer from the Netherlands focusing on .NET, C#, and modern web technologies. She is active in the developer community as a teacher, content creator, blogger, and public speaker, with a focus on making advanced or new topics accessible to developers at all stages of their careers. Online, she enjoys sharing educational content and the occasional joke with an audience of over 30,000 developers.

Through her community involvement, Louëlla was awarded the Microsoft MVP title in 2023 in the Developer Technologies category. She is also a board member of the .NET Foundation and a mentor for her local CoderDojo.

Louëlla Creemers is a software developer from the Netherlands focusing on .NET, C#, and modern web technologies. She is active in the developer community as a teacher, content creator, blogger, and public speaker, with a focus on making advanced or n... Show more

Leo Visser

Leo Visser

Active in the IT industry since 2012, Leo Visser is a Subject Matter Expert for Azure and AI Foundry at BBTG. He advises organizations on AI, automation, and cloud architecture, combining tools like PowerShell, Power Platform, Azure Logic Apps, and native Azure services. His work strongly focuses on security, sustainability, and long-term value. Leo is a Microsoft PowerShell MVP.

Active in the IT industry since 2012, Leo Visser is a Subject Matter Expert for Azure and AI Foundry at BBTG. He advises organizations on AI, automation, and cloud architecture, combining tools like PowerShell, Power Platform, Azure Logic Apps, and n... Show more

Engin Diri

Engin Diri

As a Senior Solutions Architect at Pulumi with over 15 years of experience in the IT industry, including roles at the Schwarz Group and W&W Versicherungen, I bring extensive expertise with an end-user and enterprise focus. Currently working for a startup while collaborating with enterprise clients has further enriched my experience!

I began my career as a Java backend developer, transitioned to frontend development, and ultimately specialized in CI/CD and DevOps. Working with ANT and Cruise Control to switch to Jenkins and Microsoft Team Foundation Server added some traumas on top! But as they say, what doesn't kill you makes you stronger.

I have now embraced the dynamic world of DevOps and Platform Engineering, leveraging cloud technologies and Kubernetes.

Recently, I have been exploring AI to find ways to make myself redundant in the future.

As a Senior Solutions Architect at Pulumi with over 15 years of experience in the IT industry, including roles at the Schwarz Group and W&W Versicherungen, I bring extensive expertise with an end-user and enterprise focus. Currently working for a sta... Show more

Alex Shershebnev

Alex Shershebnev

Alex Shershebnev is a seasoned AI engineer and technology leader with over a decade of experience in AI, DevOps and MLOps. He is currently Lead DevRel at Zencoder, an AI coding assistant, and one of the founding members of the company, where he has spent the last two years shaping both the product and its developer ecosystem. Alex has spoken at more than 50 international conferences, establishing himself as a recognized voice on AI for coding, secure and responsible use of AI in software development, and the future of developer workflows.

At Zencoder, Alex has led ML/DevOps and infrastructure initiatives focused on building scalable, production-grade AI systems. He brings deep expertise in software engineering, cloud infrastructure (GCP, Kubernetes), large-scale GPU platforms, and end-to-end ML/DevOps pipelines that enable data scientists to iterate quickly while reducing operational complexity and cost.

Before Zencoder, Alex held key technical leadership roles at companies like Sanas, ivi, and MTS AI, working across domains including bioinformatics, video analysis, voice, NLP, and recommendation systems. His background ranges from academic research at the University of Massachusetts to designing and operating complex cloud infrastructures that scale to hundreds of GPUs.

Combining deep hands-on engineering experience with a strong focus on developer experience and community building, Alex is known for translating complex technical challenges into clear, actionable insights. Whether speaking about DevOps and MLOps at scale, AI-powered developer workflows, or lessons learned from building real-world AI platforms, he brings a unique combination of technical depth, industry experience, and passion for building systems and communities that scale.

Alex Shershebnev is a seasoned AI engineer and technology leader with over a decade of experience in AI, DevOps and MLOps. He is currently Lead DevRel at Zencoder, an AI coding assistant, and one of the founding members of the company, where he has s... Show more

Christian Woerz

Christian Woerz

Christian is a Microsoft MVP, Oracle ACE in Java and Fullstack engineer with over 15 years of experience as an engineer. He started with Java and since 9 years works also in the frontend with Angular, TypeScript and JavaScript. Besides his daily work he enjoys giving talks, creating YouTube videos for his over 8000 subscribers, works on his open source projects. If there is time left he gives workshops giving trainings regarding the successful usage of AI in software engineering and writes articles.

Christian is a Microsoft MVP, Oracle ACE in Java and Fullstack engineer with over 15 years of experience as an engineer. He started with Java and since 9 years works also in the frontend with Angular, TypeScript and JavaScript. Besides his daily work... Show more

Denes Halasz

Denes Halasz

Denes is a freelance Power Platform expert and co-leader of the Hungary Power Platform User Group. He began his journey in 2018 by developing company-wide Power BI solutions and quickly expanded into the broader Power Platform, becoming a citizen developer. With expertise in Power Apps, Power BI, Power Automate and other low-code tools, Dénes helps individuals and businesses streamline processes and create impactful solutions.

In addition to his consulting work, Dénes runs a YouTube channel focused on the Power Platform, where he shares career development advice, tips on getting started with low-code, and guidance for becoming a successful freelancer or citizen developer.
He is passionate about mentoring and building supportive communities, organizing events to empower others to succeed in their careers with low-code skills.

Denes is a freelance Power Platform expert and co-leader of the Hungary Power Platform User Group. He began his journey in 2018 by developing company-wide Power BI solutions and quickly expanded into the broader Power Platform, becoming a citizen dev... Show more

Angelo Gulisano

Angelo Gulisano

Microsoft MVP for Business Applications and Microsoft Certified Trainer. I help organizations design and deliver modern digital solutions by combining Power Platform, Microsoft 365, and cloud technologies into a cohesive ecosystem.

With over 18 years of experience in IT, I bring together development, architecture, and training to drive meaningful digital transformation. I work at the intersection of low-code, automation, AI, and enterprise solutions—turning complex requirements into scalable, well-governed systems focused on real business value.

Speaker at national and international tech events. Passionate about technology, music, and travel.

Microsoft MVP for Business Applications and Microsoft Certified Trainer. I help organizations design and deliver modern digital solutions by combining Power Platform, Microsoft 365, and cloud technologies into a cohesive ecosystem. With over 18 ye... Show more

Daniel Oh

Daniel Oh

Java Champion, CNCF Ambassador & TAG DevEX Co-Chair, Microsoft MVP, Developer Advocate, Technical Marketing, Keynote Speaker, Published Author

Java Champion, CNCF Ambassador & TAG DevEX Co-Chair, Microsoft MVP, Developer Advocate, Technical Marketing, Keynote Speaker, Published Author Show more

Please note that Sessionize is not responsible for the accuracy or validity of the data provided by speakers.

Most Active Speakers 2025

Every year, we put together a list of the most active speakers. This list features the top 3% of speakers who have participated in events using Sessionize during the 2025.

The 3% is calculated from the pool of all speakers that have at least one accepted session in year 2025. We don't include inactive speakers or speakers that had no accepted sessions during the year. There are around 39,000 unique accepted speakers this year, the 3% is 1163. Not all of them have their speaker profiles set as public, and we respect that, so the list doesn't show all of them.

The calculation is based on the number of accepted events, that's the main criteria, but to get more refined results we also look at things like multiple sessions per event, sharing a session with a co-speaker and how big the event is. Number of submissions and declined sessions don't affect the list.

Please note that the count of events and sessions in this list does not represent the number of events and sessions from the year 2025. Instead, it shows the number of events and sessions featured on the speaker's public speaker profile; these numbers have nothing to do with the award itself.