Most Active Speakers 2024

Sessionize proudly presents the list of the most active speakers in the year 2024!

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Johan Smarius

Johan Smarius

Johan has been developing software since 1996 and has worked with .NET since version 1.0. With extensive experience as a lead developer and architect for .NET solutions, he is deeply passionate about clean coding and test-driven development. At JMAC Software Solutions and Bergler, he designs architectures for .NET solutions and coaches and trains developers in the domain of software engineering in general and Microsoft technologies in particular.

Johan has been developing software since 1996 and has worked with .NET since version 1.0. With extensive experience as a lead developer and architect for .NET solutions, he is deeply passionate about clean coding and test-driven development. At JMAC ... Show more

Massimo Bonanni

Massimo Bonanni

Massimo Bonanni is a Senior Technical Trainer, international speaker, and community leader passionate about Azure and developer technologies. A six-time Microsoft MVP in Windows and Developer Tools, as well as an Intel Black Belt and Software Innovator, he has delivered more than 200 technical sessions over the last decade. He loves turning complex topics into clear, practical, and engaging learning experiences — ideally with demos, real-world examples, and at least one nerdy joke. When he is off stage, you will likely find him reading or building LEGO sets.

Massimo Bonanni is a Senior Technical Trainer, international speaker, and community leader passionate about Azure and developer technologies. A six-time Microsoft MVP in Windows and Developer Tools, as well as an Intel Black Belt and Software Innovat... Show more

James Eastham

James Eastham

James Eastham is a Serverless Developer Advocate at Datadog, AWS Community Builder and a Microsoft MVP. He answered phones in front-line support, administered databases and developed modern application backends with a range of technologies. He worked AWS working with some of the biggest companies on the planet, migrating workloads from data centers into the cloud and modernizing in the process.

James produces content on YouTube focused on architecting and building applications with serverless technologies using .NET and Rust. He also has a strong interest in and expertise in event-driven architecture and building more loosely coupled systems.

James Eastham is a Serverless Developer Advocate at Datadog, AWS Community Builder and a Microsoft MVP. He answered phones in front-line support, administered databases and developed modern application backends with a range of technologies. He worked... Show more

Vanessa Toves

Vanessa Toves

Vanessa Toves is a Microsoft 365 Solutions Architect and a recognized Microsoft MVP. She has worked with Microsoft enterprise technologies since the first versions of SharePoint on-premises, Microsoft’s BI suite, and SQL Server, making her instrumental in driving Microsoft 365 adoption for large organizations. Currently serving as a Microsoft subject matter expert for Druva, Vanessa works seamlessly across departments—from sales to engineering—to ensure the security of customer data. She is also an avid speaker and thought leader on cyber resilience.

Vanessa Toves is a Microsoft 365 Solutions Architect and a recognized Microsoft MVP. She has worked with Microsoft enterprise technologies since the first versions of SharePoint on-premises, Microsoft’s BI suite, and SQL Server, making her instrument... Show more

Lisa Hoving

Lisa Hoving

Your friendly neighbourhood Data Engineer. My background is in Finance, but I have had the pleasure to be working in IT for the past 8 or so years. In my daily life, I design and build scalable data solutions in the Azure cloud.

Your friendly neighbourhood Data Engineer. My background is in Finance, but I have had the pleasure to be working in IT for the past 8 or so years. In my daily life, I design and build scalable data solutions in the Azure cloud. Show more

Gianluca Sartori

Gianluca Sartori

Gianluca Sartori is a Data Platform MVP, independent consultant and performance tuning specialist. He has been working in the software industry since 1999 and has been working with SQL Server ever since. He also works as a SQL Server trainer and in his spare time he writes technical articles and participates the SQL Server forums. Gianluca enjoys presenting SQL Server topics at conferences in Europe and US. He is currently working as lead DBA at a famous Formula 1 team.

Gianluca Sartori is a Data Platform MVP, independent consultant and performance tuning specialist. He has been working in the software industry since 1999 and has been working with SQL Server ever since. He also works as a SQL Server trainer and in h... Show more

Henk Boelman

Henk Boelman

Henk is a Cloud Advocate specializing in Artificial intelligence and Azure with a background in application development. He is currently part of the AI cloud advocate team and based in the Netherlands. Before joining Microsoft, he was a Microsoft AI MVP and worked as a software developer and architect building lots of AI powered platforms on Azure.

Henk is a Cloud Advocate specializing in Artificial intelligence and Azure with a background in application development. He is currently part of the AI cloud advocate team and based in the Netherlands. Before joining Microsoft, he was a Microsoft AI ... Show more

Callum Whyte

Callum Whyte

Callum Whyte is a x7 Microsoft MVP and x9 Umbraco MVP specialising in building robust scalable solutions on Azure and the .NET stack, as well as websites with the open-source Umbraco CMS. By day he heads up the award-winning team at Bump, across the UK and Australia.

Away from his desk you can find him organising community events; from local meetups and hackathons, to global conferences and roadshows. He’s an active contributor to open source projects, a regular speaker at events all over the world, as well as co-host of a weekly YouTube series “UmbraCoffee”!

Callum Whyte is a x7 Microsoft MVP and x9 Umbraco MVP specialising in building robust scalable solutions on Azure and the .NET stack, as well as websites with the open-source Umbraco CMS. By day he heads up the award-winning team at Bump, across the ... Show more

Marco Gomiero

Marco Gomiero

Marco is a Senior Android Engineer at Airalo and a Google Developer Expert for Android. He’s passionate about building great mobile experiences on both Android and iOS, and loves working with Kotlin Multiplatform to share code where it makes sense.

He also maintains open-source projects, shares what he learns on his blog, speaks at conferences, and helps organize GDG Venezia. When he’s not coding, he’s probably playing basketball.

Marco is a Senior Android Engineer at Airalo and a Google Developer Expert for Android. He’s passionate about building great mobile experiences on both Android and iOS, and loves working with Kotlin Multiplatform to share code where it makes sense. ... Show more

Kristyna Ferris

Kristyna Ferris

Kristyna Ferris is a solution architect at P3 Adaptive. Her experience includes implementing and managing enterprise-level Power BI instance, training teams on reporting best practices, and building templates for scalable analytics. Passionate about participating and growing the data community, she enjoys co-writing on Data on Wheels (dataonwheels.com) and speaking at various events. She also a co-organizer for Lexington Data Technology Group.

Kristyna Ferris is a solution architect at P3 Adaptive. Her experience includes implementing and managing enterprise-level Power BI instance, training teams on reporting best practices, and building templates for scalable analytics. Passionate about ... Show more

Serena Sensini

Serena Sensini

I started programming in VB when I was 6 taking advantage of my father’s strong passion for computer science. I’ve always dreamt to be an engineer and I’ve worn different “hats”: data scientist, data analyst, web developer, sysadmin… This gave me the opportunity to gain experience in the design and dev of solutions from scratch. During the day I’m an Enterprise Architect, while I love writing at night when I get a hot cup of tea!

I started programming in VB when I was 6 taking advantage of my father’s strong passion for computer science. I’ve always dreamt to be an engineer and I’ve worn different “hats”: data scientist, data analyst, web developer, sysadmin… This gave me the... Show more

Rajendra Ongole

Rajendra Ongole

I am currently working as a BI Lead Specialist within the Engineering and Tech Lead Team at Bosch Digital. Holding more than 8 certifications from Microsoft, such as Microsoft Certified Fabric Analytics Engineer, Power BI Analyst, and Microsoft Certified Trainer. I’ve shared insights in Power Platforms forums through sessions, and I contribute through blogging. I worked on different projects, delivering insights to clients. My current skills include: Microsoft Fabric, Microsoft Power BI, SQL, Azure Databricks, Microsoft Excel, Python, and Spark My knowledge-sharing efforts extend across various platforms, including writing blogs, technical reviews of books, forum participation, and live sessions. I take pride in actively participating in and contributing to the Microsoft forums, where I consistently share valuable insights and knowledge.

I am currently working as a BI Lead Specialist within the Engineering and Tech Lead Team at Bosch Digital. Holding more than 8 certifications from Microsoft, such as Microsoft Certified Fabric Analytics Engineer, Power BI Analyst, and Microsoft Certi... Show more

Nicolas Fränkel

Nicolas Fränkel

Nicolas Fränkel is a technologist focusing on cloud-native technologies, DevOps, CI/CD pipelines, and system observability. His focus revolves around creating technical content, delivering talks, and engaging with developer communities to promote the adoption of modern software practices. With a strong background in software, he has worked extensively with the JVM, applying his expertise across various industries. In addition to his technical work, he is the author of several books and regularly shares insights through his blog and open-source contributions.

Nicolas Fränkel is a technologist focusing on cloud-native technologies, DevOps, CI/CD pipelines, and system observability. His focus revolves around creating technical content, delivering talks, and engaging with developer communities to promote the... Show more

Danica Fine

Danica Fine

Danica began her career as a software engineer in financial services and pivoted to developer relations, where she focussed primarily on open source technologies such as Apache Kafka® and Apache Flink®. She now leads the open source advocacy efforts at Snowflake, supporting Apache Iceberg™ and Apache Polaris™, serves as a Jupyter Foundation Board member, and is a member of the Apache Software Foundation.

She can be found on X (Bluesky and Mastodon) @TheDanicaFine.

Danica began her career as a software engineer in financial services and pivoted to developer relations, where she focussed primarily on open source technologies such as Apache Kafka® and Apache Flink®. She now leads the open source advocacy efforts ... Show more

Edoardo Dusi

Edoardo Dusi

Edoardo is a Developer Relations Engineer. He has a strong software developer and team leader background, working on various projects and platforms. He is passionate about creating and sharing content that educates and inspires other developers, such as tech talks, videos, podcasts, conferences, and more. He enjoys connecting with the developer community and promoting the benefits of open source software.

Edoardo is a Developer Relations Engineer. He has a strong software developer and team leader background, working on various projects and platforms. He is passionate about creating and sharing content that educates and inspires other developers, such... Show more

Ardalis .

Ardalis .

Ardalis (Steve Smith) is an entrepreneur and software developer with a passion for building quality software as effectively as possible. Ardalis has published dozens of courses on Dometrain and Pluralsight, covering DDD, SOLID, design patterns, and software architecture. He's a Microsoft ASP.NET MVP, a frequent speaker at developer conferences, an author, and a trainer.

Ardalis works with companies through NimblePros, the consulting firm he runs with his wife, Michelle. NimblePros is a team of experienced professionals who help organizations who want to deliver better software, faster. Ardalis and NimblePros have been described by clients as a "force multiplier", amplifying the value of existing development teams.

Follow Ardalis on BlueSky, YouTube, and ardalis.com.

Ardalis (Steve Smith) is an entrepreneur and software developer with a passion for building quality software as effectively as possible. Ardalis has published dozens of courses on Dometrain and Pluralsight, covering DDD, SOLID, design patterns, and s... Show more

John Martin

John Martin

John is an experienced data platform professional having spent over fifteen years working with Microsoft SQL Server, Azure, and AWS technologies. Working closely with clients to solve their data platform problems with innovative solutions with a focus on simplicity, maintainability, and automation.

John is an experienced data platform professional having spent over fifteen years working with Microsoft SQL Server, Azure, and AWS technologies. Working closely with clients to solve their data platform problems with innovative solutions with a focu... Show more

Valerie Junk

Valerie Junk

Hi there. I am Valerie Junk.
I am passionate about creating insights from data and designing dashboards using Power BI. With my expertise in data analytics and visualization, I support companies in developing effective data-driven strategies that yield results and take the business to the next level.
Microsoft Data Platform MVP

Hi there. I am Valerie Junk. I am passionate about creating insights from data and designing dashboards using Power BI. With my expertise in data analytics and visualization, I support companies in developing effective data-driven strategies that y... Show more

Arthur Doler

Arthur Doler

Arthur (or Art, take your pick) has been a software engineer for 22 years and has worked on things as exciting as analysis software for casinos and things as boring as banking websites. He is an advocate for talking openly about mental health and psychology in the technical world, and he spends a lot of time thinking about how we program and why we program, and about the tools, structures, cultures, and mental processes that help and hinder us from our ultimate goal of writing amazing things. His hair is brown and his thorax is a shiny blue color.

Arthur (or Art, take your pick) has been a software engineer for 22 years and has worked on things as exciting as analysis software for casinos and things as boring as banking websites. He is an advocate for talking openly about mental health and psy... Show more

Pragati Jain

Pragati Jain

Pragati Jain is the Founder and Principal Consultant at Datavibe Solutions Ltd, where she leads end-to-end Microsoft Fabric implementations for global organizations. As a Microsoft Data Platform MVP and MCT, Pragati specializes in bridging the gap between intricate technical engineering and executive data strategy.

At Datavibe, she architects migrations from legacy Power BI environments to modern Fabric ecosystems, leveraging the full analytics stack- including Lakehouse, Data Engineering, and Real-Time Analytics. Her work is defined by a commitment to high-impact storytelling and technical excellence in PySpark, SQL, and advanced Fabric & Power BI development.

A recognized Superuser in the Microsoft Fabric Community, Pragati has spoken at over 80 global events, including the Microsoft Fabric Community Conference, PASS Data Summit, and SQLBits. Awarded the Sessionize Most Active Speaker badge four years running (2022–2025), she is a dedicated advocate for women in tech and mentors the next generation of data professionals.
Beyond data, Pragati is a trained Indian classical singer, painter, and hiking enthusiast.

📌 MVP Profile: https://mvp.microsoft.com/en-us/PublicProfile/5004163
🌐 Consulting: https://datavibe.co.uk

Pragati Jain is the Founder and Principal Consultant at Datavibe Solutions Ltd, where she leads end-to-end Microsoft Fabric implementations for global organizations. As a Microsoft Data Platform MVP and MCT, Pragati specializes in bridging the gap be... Show more

Michael Johnson

Michael Johnson

Michael Johnson is a Microsoft Data Platform MVP and co-lead of the Johannesburg Data Platform User Group. Professionally, he is the owner and principal consultant at Cobalt Analytics, based in Johannesburg, South Africa. Michael regularly presents at many local and international user groups and conferences on topics including data engineering and analytics.

Michael Johnson is a Microsoft Data Platform MVP and co-lead of the Johannesburg Data Platform User Group. Professionally, he is the owner and principal consultant at Cobalt Analytics, based in Johannesburg, South Africa. Michael regularly presents a... Show more

Hannes Lowette

Hannes Lowette

Hannes is a developer, a coach and a father of 3.

In software development, he has always had a passion for performance, databases, distributed systems and large scale applications. He's always weighing every solution's benefits against its drawbacks, reducing friction where possible.

As a coach, he is enthusiastic about knowledge sharing, personal growth and building careers. Building a company culture around learning is what gets him out of bed.

In his free time, when he’s not building LEGO® castles with his kids, he likes to spend time building guitars, playing chess, mountain biking and doing all round geeky stuff.

You can often find him on stage at the conference afterparty, especially as the guitarist of Dylan Beattie & the Linebreakers.

Hannes is a developer, a coach and a father of 3. In software development, he has always had a passion for performance, databases, distributed systems and large scale applications. He's always weighing every solution's benefits against its drawbac... Show more

Michiel Hamers

Michiel Hamers

Hi, I’m Michiel Hamers, a Principal Cloud Expert, Implementation Manager, Trainer, and former Microsoft MVP with over 25 years of experience in the Microsoft ecosystem.

Since 2000, I’ve been helping organizations successfully adopt and optimize Microsoft technologies, with a focus on Azure, cloud architecture, performance, and cost management. As a Microsoft Certified Trainer (MCT) and experienced consultant, I bridge strategy and execution, guiding both public and private sector teams through complex technical transformations.

I regularly speak at international conferences such as Developer Week, PowerShell + DevOps Global Summit, Global Azure, AzConf Chennai, Azure Fest, DevConf APG, FutureTech, and Dutch Cloud Meetup. I’m passionate about delivering hands-on workshops and tailored in-company trainings, helping teams sharpen their Azure, automation, and application lifecycle skills.

My mission is clear: help people and organizations get the most out of the cloud, with control, clarity, and confidence. Whether coaching colleagues, giving workshops, or advising on cloud-native modernization, I combine deep technical knowledge with a pragmatic, people-focused approach.

When I’m not working, I enjoy life with Sandra, cooking, traveling, and spending time with family and friends. For me, technology is about empowering people, not just systems.

Let’s connect and build something great together.

Hi, I’m Michiel Hamers, a Principal Cloud Expert, Implementation Manager, Trainer, and former Microsoft MVP with over 25 years of experience in the Microsoft ecosystem. Since 2000, I’ve been helping organizations successfully adopt and optimize Mi... Show more

Paolo Insogna

Paolo Insogna

Node.js TSC Member, Principal Engineer at Platformatic, Polyglot Developer. RPG and LARP addicted and nerd on lot more. Surrounded by lovely chubby cats.

Node.js TSC Member, Principal Engineer at Platformatic, Polyglot Developer. RPG and LARP addicted and nerd on lot more. Surrounded by lovely chubby cats. Show more

Suzanne Daniels

Suzanne Daniels

Suzanne helps senior executives make confident decisions about software engineering. As a Chief Developer Advisor at Microsoft, she partners with CxOs, VPs and other engineering leaders across EMEA to help engineering organisations in their end‑to‑end AI transformation.

She's author of the book Ghost Decisions, the Agentile operating model and the ISEE framework. She's maintainer of git-ape She writes her industry observations and thoughts on Substack.

Suzanne helps senior executives make confident decisions about software engineering. As a Chief Developer Advisor at Microsoft, she partners with CxOs, VPs and other engineering leaders across EMEA to help engineering organisations in their end‑to‑en... Show more

Mike Martin

Mike Martin

As a Microsoft Technical Evangelist, Mike is an Azure goto for ISV’s (independent software vendors). He’s been active in the IT industry for more than 20 years and has performed almost all types of job profiles, going from coaching and leading a team to architecting and systems design and training. Today he’s primarily into the Microsoft Cloud Platform and Application Lifecycle Management. He’s not a stranger to both dev and IT Pro topics, they even call him the perfect hybrid solution.

In January 2012 he became a crew member of AZUG, the Belgian Microsoft Azure User Group. As an active member he’s both involved in giving presentations and organizing events (like ITProceed, Techorama and Global Azure Bootcamp aka GAB). Mike was also a Microsoft Azure MVP (awarded 5 times since 2013, received his Fifth in July 2017! ) and Microsoft Azure Advisor.

Helping out in the community and introducing new & young people into the world of Microsoft and technology is also one of his passions.

As a Microsoft Technical Evangelist, Mike is an Azure goto for ISV’s (independent software vendors). He’s been active in the IT industry for more than 20 years and has performed almost all types of job profiles, going from coaching and leading a team... Show more

Joost Gelijsteen

Joost Gelijsteen

As a Microsoft 365 Modern Workplace consultant Joost helps customers implement modern workplace solutions based on top of their Microsoft 365 licensing, leveraging products like Microsoft Intune, Microsoft Entra, Microsoft Defender, Exchange Online, Microsoft Teams, I constantly build solutions which span these products, taking into account Security, Usability and Manageability as main pillars.

Currently he is also responsible for the delivery of Secure At Work, a product which can automatically provision Microsoft 365 tenants with best practices configuration and once onboarded keeps customers up to date by using regular releases. Each release adds or updates functionality in Microsoft 365 environments based on best practices and lessons learned from implementation feedback. The Secure At Work solution is already running on more than 15K+ endpoints, making it proven solution and able to cover 80% of business requirements.

As a Microsoft 365 Modern Workplace consultant Joost helps customers implement modern workplace solutions based on top of their Microsoft 365 licensing, leveraging products like Microsoft Intune, Microsoft Entra, Microsoft Defender, Exchange Online, ... Show more

Carol Valencia

Carol Valencia

Carol is a Cloud Architect with a strong focus on security and observability, boasting over 7 years of experience in cloud-native technologies. She is an open-source contributor to Kubernetes, OpenTelemetry, Kubernetes Release, and CNCF Glossary. Carol is an active member of the community, serving as a TAG Lead in Operational Resilience, CNCF Ambassador, AWS Community Builder, and Cloud Native chapter organizer, together with KCD events in Brazil.

Carol is a Cloud Architect with a strong focus on security and observability, boasting over 7 years of experience in cloud-native technologies. She is an open-source contributor to Kubernetes, OpenTelemetry, Kubernetes Release, and CNCF Glossary. Car... Show more

Gilles Pommier

Gilles Pommier

Gilles Pommier is a senior SharePoint Consultant and Office 365 MVP. During the last 15 years, he has helped numerous companies in their implementation for SharePoint architecture and development. Since 2005, he has also participated in several events such as SharePoint Saturday, SQL Saturday, Microsoft TechEd U.S., TechEd Australia, TechEd EMEA TechEd Dubai TechDays France as a speaker on Office 365, SharePoint, .Net and VSTO technologies.

Gilles Pommier is a senior SharePoint Consultant and Office 365 MVP. During the last 15 years, he has helped numerous companies in their implementation for SharePoint architecture and development. Since 2005, he has also participated in several even... Show more

Kevin Griffin

Kevin Griffin

Kevin Griffin has been running production .NET applications and teaching developers for over two decades. A Microsoft MVP specializing in .NET and Microsoft Azure, Kevin brings real-world experience from consulting and his own SaaS products. He's hosted the Hampton Roads .NET User Group since 2009 and founded RevolutionVA, a nonprofit supporting software development education in southeast Virginia. Kevin's talks blend hard-won lessons from production systems with practical advice you can use Monday morning.

Kevin Griffin has been running production .NET applications and teaching developers for over two decades. A Microsoft MVP specializing in .NET and Microsoft Azure, Kevin brings real-world experience from consulting and his own SaaS products. He's hos... Show more

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

Most Active Speakers 2024

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 2024.

The 3% is calculated from the pool of all speakers that have at least one accepted session in year 2024. We don't include inactive speakers or speakers that had no accepted sessions during the year. There are around 38,000 unique accepted speakers this year, the 3% is 1036. 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 2024. 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.