Most Active Speakers 2025

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

  • 1125 speakers
  • Auto-generated
Emmz Rendle

Emmz Rendle

Emmz is the CTO of Daemonic Ltd, on a mission to build the future of AI and mixed reality. She's been working with LLMs, tools, harnesses, skills, runtimes, fine-tuning and all that for nearly two years now. When it comes to software engineering she is obsessed with maximizing performance and minimizing complexity. When it comes to speaking, she combines 40 years experience in tech with skills acquired as a professional stand-up comic in the 90s to deliver entertaining and informative talks at conferences around the world. She recently learned to play bass so she could join tech parody band The LineBreakers and promptly became obsessed with that, too.

Emmz is the CTO of Daemonic Ltd, on a mission to build the future of AI and mixed reality. She's been working with LLMs, tools, harnesses, skills, runtimes, fine-tuning and all that for nearly two years now. When it comes to software engineering she ... Show more

Edward Pollack

Edward Pollack

Ed Pollack is a Microsoft Data Platform MVP with a passion for learning how Data Platforms work and sharing that knowledge with the community. His experiences in data architecture, database design, performance optimization, and security are motivation for public speaking, writing, coding, and other community activities.

Ed has spoken at Day of Data events, SQL Bits, PASS Summit, EightKB, and many other regional and international events. Ed is the organizer of the Capital Area SQL Server Group and Day of Data Albany, as well as a co-organizer of SQL Saturday New York City. He has published a number of books, including "Dynamic SQL: Applications, Performance, and Security in Microsoft SQL Server", "Expert Performance Indexing in Azure SQL and SQL Server 2022", and "Analytics Optimization with Columnstore Indexes in Microsoft SQL Server: Optimizing OLAP Workloads". Ed is also an active contributor of content to SimpleTalk.

In his free time, Ed enjoys video games, traveling, cooking exceptionally spicy foods, and hanging out with his amazing wife and sons.

Ed Pollack is a Microsoft Data Platform MVP with a passion for learning how Data Platforms work and sharing that knowledge with the community. His experiences in data architecture, database design, performance optimization, and security are motivati... Show more

Marc Lelijveld

Marc Lelijveld

Data Platform MVP, Microsoft Fabric advocate, public speaker, and passionate about everything that transforms data into action.

Currently working at Macaw as Architect & Technical Advocate – Microsoft Fabric, where I help organizations design modern Data & AI solutions on Microsoft technologies, with a strong focus on Microsoft Fabric. Over the years, my role has evolved from technical evangelism into a stronger advisory and architecture-focused position. Today, I combine strategic advisory, pre-sales, and solution architecture to help customers make realistic technology decisions and build scalable, future-proof platforms.

What I enjoy most? Sharing knowledge, experiences, best practices, and enthusiasm around the Microsoft data & AI space. I actively contribute to the community through conferences, user groups, customer presentations, technical sessions, end-user training, and community initiatives focused on Microsoft Fabric, Power BI, and AI.

Besides public speaking and community work, I also share insights and experiences on my personal blog: data-marc.com

Data Platform MVP, Microsoft Fabric advocate, public speaker, and passionate about everything that transforms data into action. Currently working at Macaw as Architect & Technical Advocate – Microsoft Fabric, where I help organizations design mode... Show more

Fiona Fruhinsholz

Fiona Fruhinsholz

Passionnée par la collaboration, j'explore depuis une dizaine d'années les nouveautés proposées par Microsoft et leur impact sur les utilisateurs.

Passionnée par la collaboration, j'explore depuis une dizaine d'années les nouveautés proposées par Microsoft et leur impact sur les utilisateurs. Show more

Roberto Corella

Roberto Corella

Since 1998 working with Navision, Dynamics NAV, and now with Business Central and Power Platform. I worked as an end-user, consultant, and developer in different companies and partners.

Dual Microsoft MVP in the Business Applications (Business Central) and Azure AI Services

International Speaker at Directions EMEA, Directions ASIA, Days of Knowledge (Nordic, Central, and Atlanta) and DynamicsMinds.

Organizing committee member "Business Central Day ES" (www.businescentralday.es) and Global Power Platform Bootcamp Zaragoza (https://www.meetup.com/power-platform-zaragoza/)

As an MCT I teach Microsoft courses about Business Central, Power BI, Power Apps, and Power Automate.

I have a blog where I write about these Microsoft technologies: https://blog.msdyn365bc.es.

Also, you can see me telling things about Business Central and Power Platform at different community events and on my YouTube Channel:
Aprende Business Central en Español (https://www.youtube.com/@rcorella)

If you want to know more about me, here you have my LinkedIn profile:
https://www.linkedin.com/in/robertocorella/

Since 1998 working with Navision, Dynamics NAV, and now with Business Central and Power Platform. I worked as an end-user, consultant, and developer in different companies and partners. Dual Microsoft MVP in the Business Applications (Business Ce... Show more

Taswar Bhatti

Taswar Bhatti

Taswar Bhatti works for Microsoft as AI Security Cloud Solutions Architect. Prior to his current position he also worked as a Solutions Architect for AWS, his focus areas are security and machine learning. He holds a BSc in Mathematics and Computing Science from University of Alberta, and is well versed in architectural design, security and building large scale security web applications; not to mention he was a Microsoft MVP for 8 years.

Taswar is also fluent in many spoken languages: Cantonese, English, Turkish, and Urdu/Hindi.

Taswar Bhatti works for Microsoft as AI Security Cloud Solutions Architect. Prior to his current position he also worked as a Solutions Architect for AWS, his focus areas are security and machine learning. He holds a BSc in Mathematics and Computing... Show more

Andrea Ceroni

Andrea Ceroni

Senior software architect, R&D team @Elfo.
I started my career working for advertising and cinema companies, using Maya and Python.
I have been working in .NET C# for more than ten years, with special interest in Azure cloud architectures, Infrastructure as Code, mobile applications, async/concurrent code and functional programming.
I'm a proud Microsoft MVP and I do my best to support communities.
Mountains and MTB enthusiast!
Married with Federica, we have a golden retriever, Mila.

Senior software architect, R&D team @Elfo. I started my career working for advertising and cinema companies, using Maya and Python. I have been working in .NET C# for more than ten years, with special interest in Azure cloud architectures, Infrastr... Show more

Hasan Savran

Hasan Savran

Hasan is a recognized Microsoft Data Platform MVP and an expert in Azure data products, bringing over 20 years of experience in software development, architecture, and management. As the owner of SavranWeb Consulting and the Senior Business Intelligence Manager at Progressive Insurance, he specializes in designing innovative business solutions leveraging the latest web and database technologies. A passionate global conference speaker, Hasan enjoys sharing his insights through blogging about Azure Data services, C#, and front-end development.

Hasan is a recognized Microsoft Data Platform MVP and an expert in Azure data products, bringing over 20 years of experience in software development, architecture, and management. As the owner of SavranWeb Consulting and the Senior Business Intellige... Show more

Harshavardhan Bajoria

Harshavardhan Bajoria

Harshavardhan Bajoria is a Product Manager for AI & Innovation at Unstop, where he builds AI-driven products at the intersection of artificial intelligence and cloud computing. He is a GitHub Campus Expert Alumni, a LeetCode Knight, and holds 18 professional certifications — 7x Microsoft Certified, 5x Oracle Certified, 5x Google Certified, and GitHub Certified. A Top 5% Speaker on Sessionize, Harshavardhan is a regular voice at tech conferences and community meetups, sharing his experience building AI products and working with cloud platforms.

Harshavardhan Bajoria is a Product Manager for AI & Innovation at Unstop, where he builds AI-driven products at the intersection of artificial intelligence and cloud computing. He is a GitHub Campus Expert Alumni, a LeetCode Knight, and holds 18 prof... Show more

Erwin Staal

Erwin Staal

I am a Tech Lead and Azure Solution Architect from the Netherlands, with over a decade of experience spanning startups, enterprise organizations, and international teams. I thrive at the intersection of technology, strategy, and leadership, helping companies deliver software to customers using DevOps practices and Cloud-Native architectures.

Being on the line between IT and business is where I feel most at home—creating technical solutions that address real user needs while driving teams toward success. I enjoy coaching and leading teams to embrace new technologies and ways of working, fostering collaboration and continuous improvement.

Outside of my work for clients, I have a passion for sharing knowledge. I am a co-author of Azure Infrastructure as Code (https://www.manning.com/books/azure-infrastructure-as-code), occasionally write blogs, and regularly speak at international conferences.

I am a Tech Lead and Azure Solution Architect from the Netherlands, with over a decade of experience spanning startups, enterprise organizations, and international teams. I thrive at the intersection of technology, strategy, and leadership, helping c... Show more

Paolo Caressa

Paolo Caressa

Formerly:
- Math BS+MS & PhD.
- Math researcher.
- IT consultant.
- Developer & quant @big bank.
- Project manager, technical consultant & writer @small sw house.
- Adjunct professor @"Sapienza" University (Rome).
- Instructor @Deep Learning Italia.

Currently:
- IT expert @GSE energy company.

Formerly: - Math BS+MS & PhD. - Math researcher. - IT consultant. - Developer & quant @big bank. - Project manager, technical consultant & writer @small sw house. - Adjunct professor @"Sapienza" University (Rome). - Instructor @Deep Learning I... Show more

Mihail Mateev

Mihail Mateev

Mihail Mateev is an owner, Solution Architect, Senior Technical Evangelist at SoftProject, responsible for .Net, IoT and cloud solutions. Mihail currently works as a Senior Solution Architect at EPAM Systems. He also worked many years like a Technical evangelist in the Infragistics. Last years Mihail was focused on various areas related to technology Microsoft: Visual Studio , ASP.Net, Windows client apps, Data Platform, Microsoft Fabric, Microsoft Azure and Microsoft Foundry.

Mihail Mateev is an owner, Solution Architect, Senior Technical Evangelist at SoftProject, responsible for .Net, IoT and cloud solutions. Mihail currently works as a Senior Solution Architect at EPAM Systems. He also worked many years like a Techni... Show more

Ivar Grimstad

Ivar Grimstad

Ivar Grimstad is the Jakarta EE Developer Advocate at Eclipse Foundation. He is a Norwegian Java Champion and JUG Leader based in Sweden.

Besides advocating the Jakarta EE technologies, Ivar is contributing to the Jakarta EE specifications as well as being the PMC Lead for Eclipse Enterprise for Java (EE4J). He is also one of the specification leads for Jakarta MVC and represents Eclipse Foundation on the JCP Executive Committee.

Ivar is also involved in a wide range of other open-source projects and communities. He is a frequent speaker at International developer conferences.

Ivar Grimstad is the Jakarta EE Developer Advocate at Eclipse Foundation. He is a Norwegian Java Champion and JUG Leader based in Sweden. Besides advocating the Jakarta EE technologies, Ivar is contributing to the Jakarta EE specifications as well... Show more

Darya Petrashka

Darya Petrashka

AWS Community Builder, works as a Senior Data Scientist at SLB. She is passionate about data and its usage for problem-solving. The area of interest includes NLP, GenAI, as well as working with AWS services. An eternal student, she likes taking part in online schools, courses, and workshops.

AWS Community Builder, works as a Senior Data Scientist at SLB. She is passionate about data and its usage for problem-solving. The area of interest includes NLP, GenAI, as well as working with AWS services. An eternal student, she likes taking part ... 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

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

Michael Durkan

Michael Durkan

Michael is a Microsoft Azure MVP with over 20 years experience in both On-premises , Hybrid and Cloud environments with a particular focus on giving customers trusted advice in their Cloud Migration strategy.

Michael has spoken at both user groups and in-person conferences covering topics across the entire Azure platform from Azure Core Compute to Azure PaaS services. He has published LinkedIn Learning courses on the AZ-801 exam objectives, and regularly blogs at michaeldurkan.com. He contributes regularly to the Microsoft Q&A platform as an Azure Community Champion.

He works for Accenture as their Lead Azure Architect, where he designs and leads the delivery of complex Azure solutions for enterprise customers in Ireland and the UK .

Michael is a Microsoft Azure MVP with over 20 years experience in both On-premises , Hybrid and Cloud environments with a particular focus on giving customers trusted advice in their Cloud Migration strategy. Michael has spoken at both user grou... Show more

Javier Villegas

Javier Villegas

Javier Villegas is IT Director (DBA & BI Services) at Mediterranean Shipping Company with 30 years of experience working with SQL Server, Including Azure SQL.
His specialization is Administration, Performance Tuning, High Availability and Disaster Recovery.
Javier is a Microsoft MVP Data Platform since 2016 and MCT
He is a frequent speaker in technical conferences and events such as SQL Saturdays, PASS Virtual Groups, PASS Marathons, 24 Hours SQL PASS , vOpen , GroupBy , Data Saturdays and Azure Global Bootcamps.
He is one of the group leaders of SQL Argentina Community and former Microsoft Azure Data Advisory Board Member

Javier Villegas is IT Director (DBA & BI Services) at Mediterranean Shipping Company with 30 years of experience working with SQL Server, Including Azure SQL. His specialization is Administration, Performance Tuning, High Availability and Disaster ... Show more

Jan Ketil Skanke

Jan Ketil Skanke

Jan Ketil is an Microsoft MVP since 2016 and are working as a COO and Principal Cloud Architect at CloudWay in Norway. He has been working in the industry for Microsoft Partners and Microsoft for more than 25 years. He loves to speak about anything around Endpoint Management, Identity, Security and Automation. He is also the lead for both community conferences Workplace Ninjas Norway and Nordic Virtual Summit. Jan Ketil has presented at large industry conferences like Microsoft Ignite, Microsoft Inspire, MMS, TechMentor HQ, Experts Live Europe, WPNinja and NIC Conference in Oslo. He is also a regular speaker at various User Group events across Europe.

Jan Ketil is an Microsoft MVP since 2016 and are working as a COO and Principal Cloud Architect at CloudWay in Norway. He has been working in the industry for Microsoft Partners and Microsoft for more than 25 years. He loves to speak about anything a... Show more

Ewelina Paczkowska

Ewelina Paczkowska

Ewelina is a Microsoft Security MVP and a dedicated Data Security & Governance Lead at Threatscape that specialises in Microsoft Purview and holds certifications like Cybersecurity Architect Expert and Azure Security Engineer. Creator of the blog Welka’s World (welkasworld.com). Co-organiser of the Microsoft Security & Compliance User Group.

Ewelina is a Microsoft Security MVP and a dedicated Data Security & Governance Lead at Threatscape that specialises in Microsoft Purview and holds certifications like Cybersecurity Architect Expert and Azure Security Engineer. Creator of the blog Wel... Show more

Thomas Naunheim

Thomas Naunheim

Thomas Naunheim is a Cyber Security Architect at glueckkanja AG and a Microsoft MVP from Koblenz, Germany, specializing in cloud-native identity and security solutions in Microsoft Azure and Microsoft Entra. With a deep focus on privileged identity management, identity security, and Zero Trust architecture, he designs and implements security solutions for real-world enterprise environments.

Thomas actively gives back to the community as a blogger at cloud-architekt.net, where he publishes in-depth research and practical insights on Microsoft Security. He is a speaker at international conferences and meetups, co-author of the open-source Entra ID Attack & Defense Playbook, and the creator of EntraOps - a community tool for privilege classification based on the Enterprise Access Model.

Beyond content creation, Thomas co-hosts the podcast Cloud Inspires and is actively involved in community organization as a member of the Azure Meetup Bonn and Cloud Identity Summit organizing teams. His long-standing contributions across blogging, speaking, and open-source development earned him the Microsoft MVP award in the Identity & Access and Cloud Security category.

Thomas Naunheim is a Cyber Security Architect at glueckkanja AG and a Microsoft MVP from Koblenz, Germany, specializing in cloud-native identity and security solutions in Microsoft Azure and Microsoft Entra. With a deep focus on privileged identity m... Show more

Lemon 🍋

Lemon 🍋

With a lifelong passion for the weirdness of the internet and a day job as a development lead for whoever hired him, Lemon spends his professional time making websites for money and his free time making websites for no money.

He's created a number of stupid things for the internet, like all the games on kinda.fun, the wikiHow guessing game damn.dog, the Google Autocomplete game idiots.win, and a bunch of other things of questionable use. He also hosts a podcast that looks at some of the internet's weirder subcultures. It is not safe for your work, unless you work somewhere really cool.

With a lifelong passion for the weirdness of the internet and a day job as a development lead for whoever hired him, Lemon spends his professional time making websites for money and his free time making websites for no money. He's created a number... Show more

Manpreet Singh

Manpreet Singh

Manpreet leads the Modern Workplace AI Solutions Team at Cognizant, where he designs and scales transformative Microsoft-based solutions for global enterprises. Partnering with leadership across diverse verticals—from Media and Entertainment to Financial Services and Healthcare—Manpreet orchestrates Agentic AI strategies that move beyond simple automation to create truly autonomous, intelligent ecosystems. His mission is to redefine the "Agentic Experience," ensuring that AI doesn't just respond to prompts but proactively solves business friction for global customers. As a Microsoft MVP in M365 and AI, he bridges the gap between complex architectural innovation and real-world business impact.

Beyond his leadership at Cognizant, Manpreet is a titan in the technical community. A revered MVP, his insights have reached a staggering 10 million+ readers through his extensive library of articles and blogs. He is the driving force behind numerous annual boot camps, hackathons, and fundraisers, all aimed at nurturing the next generation of tech talent. Whether he is architecting a unified AI Command Center for a Fortune 500 firm or mentoring the next generation of developers, Manpreet is driven by a relentless "human-first" philosophy. Amidst the rapid evolution of the AI landscape, he remains easily recognizable by his warm smile—a reflection of his genuine passion for empowering organizations to achieve more through the power of Agentic AI.

Manpreet leads the Modern Workplace AI Solutions Team at Cognizant, where he designs and scales transformative Microsoft-based solutions for global enterprises. Partnering with leadership across diverse verticals—from Media and Entertainment to Finan... 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

Bob Walker

Bob Walker

Bob Walker is a Field CTO Octopus Deploy. Bob started as a developer in the early days of .NET when web forms were the hottest new thing, and manual deployments were the norm. After one too many five-hour 2 AM Saturday deployments, he searched for any automation to stop that pain. His original focus was on automating database deployments. Since then, his passion remains writing code but has expanded to creating full CI/CD pipelines, Continuous Delivery, DevOps, and Platform Engineering.

Bob Walker is a Field CTO Octopus Deploy. Bob started as a developer in the early days of .NET when web forms were the hottest new thing, and manual deployments were the norm. After one too many five-hour 2 AM Saturday deployments, he searched for ... Show more

Paulina Jędrzejewska

Paulina Jędrzejewska

Paulina specializes in data modeling and automation in Power BI. She also has experience with data warehousing, SQL, and ETL.

"I got to know Power BI during my studies and it was love at first sight. I'm amazed how powerfull this tool is and that it is becoming better every month. As a consultant and trainer, I have the opportunity to inspire my clients and show them that Power BI is more than just colorful reports."

Paulina specializes in data modeling and automation in Power BI. She also has experience with data warehousing, SQL, and ETL. "I got to know Power BI during my studies and it was love at first sight. I'm amazed how powerfull this tool is and that ... Show more

Michael Heath

Michael Heath

Michael Heath is an innovation strategist and Frontier Firm advisor who helps organizations move beyond digital transformation into intelligent transformation. With more than 15 years of experience across the Microsoft ecosystem and enterprise technology, Michael partners with leaders to align people, platforms, and purpose through AI, automation, and data.

Throughout his career, Michael has led enterprise initiatives that drive measurable growth, operational efficiency, and long-term adoption. His work focuses on translating strategy into practical execution, helping organizations modernize how work gets done while bringing teams along for the journey.

Michael’s perspective sits at the intersection of technology and human behavior. As a speaker and practitioner, he shares real-world lessons, practical frameworks, and honest insights that help organizations move from experimentation to meaningful impact at scale.

Michael Heath is an innovation strategist and Frontier Firm advisor who helps organizations move beyond digital transformation into intelligent transformation. With more than 15 years of experience across the Microsoft ecosystem and enterprise techno... 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

Saurav Jain

Saurav Jain

Saurav Jain, Apify's Developer Community Manager, excels in community building and devrel. With a history of growing Amplication's community to 40K, he now enhances Apify's developer engagement. An international speaker, he has contributed to PyCon Ireland, PyCon Italy, and more. His work bridges developers globally, fostering innovation and collaboration within the tech ecosystem. His expertise and passion for technology make him a pivotal figure in nurturing tech communities.

Saurav Jain, Apify's Developer Community Manager, excels in community building and devrel. With a history of growing Amplication's community to 40K, he now enhances Apify's developer engagement. An international speaker, he has contributed to PyCon I... Show more

Lukas Durovsky

Lukas Durovsky

Staff Software Engineer with 10+ years of experience, currently working at Thermo Fisher Scientific. Interested in Domain-Driven Design and System Architectures. Passionate about leveraging AI to drive innovative solutions. Actively involved in the software engineering community, conducting workshops, talks, and lectures on topics such as GitHub Copilot and other topics from software engineering area.

Staff Software Engineer with 10+ years of experience, currently working at Thermo Fisher Scientific. Interested in Domain-Driven Design and System Architectures. Passionate about leveraging AI to drive innovative solutions. Actively involved in the s... 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.