Gerrit Grunwald is a software engineer that loves coding for around 40 years already. He is a true believer in open source and he is an active member of the Java community, where he founded and leads the Java User Group Münster (Germany), he is a JavaOne rockstar and a Java Champion. He is a speaker at conferences and user groups internationally and writes for several magazines.

Gerrit Grunwald is a software engineer that loves coding for around 40 years already. He is a true believer in open source and he is an active member of the Java community, where he founded and leads the Java User Group Münster (Germany), he is a Jav... Show more

My career in information technology spans over many decades, involving a vast array of technologies and solutions. I am very passionate about cutting edge technology, solutions, and knowledge sharing. I have been awarded prestigious community contribution awards such as a dual category Microsoft MVP for Cloud and Datacenter Management and PowerShell, as well as a VMware vExpert and VMware User Group Leader. I am an international speaker at technical conferences, organizations, and user groups.

My career in information technology spans over many decades, involving a vast array of technologies and solutions. I am very passionate about cutting edge technology, solutions, and knowledge sharing. I have been awarded prestigious community contrib... Show more

RAPHAEL KÖLLNER
Compliance Manager

Raphael Koellner combining the law and the information technology in particular the cloud computing. He worked for universities, Microsoft Germany (DX) and Microsoft Partner as consultant.

As CEO for KöllnService GmbH he works for huge international companies to migrate and implementate cloud solutions on a technical and a contract/law way.

Since 2019 Raphael Köllner is Microsoft Regional Director. He is the community guy, MVP for Office Server & Services, Windows 10 Insider MVP, MCT, Microsoft Student Partner Evangelist and become an attorney in Europe. He is the lead of the Office 365 Usergroup Germany, the Office 365 DACH, Leader of the Office 365 conference Germany, the SharePoint Saturday Cologne and one of 30 Windows 10 Top Insiders. Moreover he is member of the TEAMS Elite Team and the organizer of the TeamsCommunityDay. In this connection he leads the biggest Windows 10 Insider Community in Germany.

MVP: https://mvp.microsoft.com/en-us/mvp/Raphael%20%20Koellner-5000185

Microsoft Regional Director: https://rd.microsoft.com/en-us/raphael-koellner

RAPHAEL KÖLLNER Compliance Manager Raphael Koellner combining the law and the information technology in particular the cloud computing. He worked for universities, Microsoft Germany (DX) and Microsoft Partner as consultant. As CEO for KöllnSe... Show more

With a passion for innovative design and a keen eye for detail, I specialize in transforming complex ideas into beautifully simple visuals and seamless digital experiences. My work bridges the worlds of creative design and digital workplace strategy, helping brands not only tell compelling stories but also collaborate and communicate more effectively across platforms.

As a certified Registered Graphic Designer (RGD), I bring a dual focus to my professional services: visual storytelling and digital transformation. On the creative side, I lead content development, oversee brand management, and ensure cross-platform consistency across digital and print media. On the consulting side, I help organizations unlock the full potential of Microsoft 365, leveraging tools like SharePoint, Viva, Copilot and Teams to build connected, collaborative, and user-centered digital workplaces.

Whether I’m designing a brand identity or architecting a SharePoint intranet, my goal is the same: to create experiences that resonate, engage, and drive results. I thrive on collaboration with cross-functional teams, integrating diverse perspectives to deliver solutions that are as strategic as they are visually impactful.

What I love most is the opportunity to blend creativity with functionality. Crafting designs and digital environments that not only look great but also empower people to work smarter and communicate better.

With a passion for innovative design and a keen eye for detail, I specialize in transforming complex ideas into beautifully simple visuals and seamless digital experiences. My work bridges the worlds of creative design and digital workplace strategy,... Show more

Business continuity, infrastructure, virtualization, and cloud expert, author, bass player, Styxologist, former Microsoft MVP as well as VMware vExpert, and SQLHA founder Allan Hirt has been working with SQL Server as well as clustering in Windows Server for far too long. He currently works for Microsoft as a Principal Technical Program Manager. He loves to travel the world to empower people through sharing his knowledge.

Business continuity, infrastructure, virtualization, and cloud expert, author, bass player, Styxologist, former Microsoft MVP as well as VMware vExpert, and SQLHA founder Allan Hirt has been working with SQL Server as well as clustering in Windows Se... Show more

I’m Prathyusha (Prathy) Kamasani, a solopreneur behind Data Nova, a small, purpose-driven business specialising in Microsoft BI solutions. With over 15 years of experience in the data space, I take a design-first approach to everything I build. Whether I’m developing well-structured data platforms or creating user-centric Power BI reports, my goal is to make data accessible, intuitive, and genuinely impactful.

From delivering end-to-end Microsoft Fabric solutions to crafting interactive data visualisations, I bring together design and data to help organisations uncover the insights that truly matter.

I’m also passionate about sharing knowledge and building community. Since 2016, I’ve been running the London Microsoft Fabric User Group. You’ll often find me speaking at conferences or hosting events at the London Fabric User Group

I’m Prathyusha (Prathy) Kamasani, a solopreneur behind Data Nova, a small, purpose-driven business specialising in Microsoft BI solutions. With over 15 years of experience in the data space, I take a design-first approach to everything I build. Wheth... Show more

Espen is a developer and architect with over 25 years of experience. He has worked on everything from embedded systems, electronics and games to large scale cloud applications. He is as full-stack as they come. Espen started coding at age six on a C64, and has been cranking out software ever since.

He served as the principal architect, tech lead and lead security
engineer on the compensation scheme for Covid-19 suffering
businesses released by the Norwegian government.

Espen was the Senior VP of Technology Exploration for DNB in San Fransisco and is currently doing technology and security research in DNB NewTechLab.

Espen is a developer and architect with over 25 years of experience. He has worked on everything from embedded systems, electronics and games to large scale cloud applications. He is as full-stack as they come. Espen started coding at age six on a C6... Show more

I'm a software engineer that dabbles in data science, as well as an open source & sustainability enthusiast.

My interests range from Data & AI, from traditional ML through to Agentic AI, having been a Microsoft MVP in AI for three years (prior to the LLM boom!), to composable apps and CodeOps.

In terms of open source communities, I'm the Vice-Chair of the Green Software Foundation, and I'm a leader at OpenUK.

Finally, I lead Platforms and Incubations at Avanade, covering the development of new services, and the adoption of new technologies and capabilities.

I'm a software engineer that dabbles in data science, as well as an open source & sustainability enthusiast. My interests range from Data & AI, from traditional ML through to Agentic AI, having been a Microsoft MVP in AI for three years (prior to ... Show more

Matteo Emili is a Director of Software Engineering at Avanade UK and Ireland, leading the talent in Software Engineering and always looking at new ways of applying technology to solve business problems.

He is a passionate Agile advocate and a technologist at heart, a Cloud Architect who is always driven by using technology as a vehicle for change and continuous improvement.
A Microsoft MVP since 2010 (currently in the Azure DevOps and GitHub category), he enjoys sharing back as much as he can with the worldwide technical communities – especially about Agile and DevOps.

He founded several User Groups around Europe and he is a regular speaker at meetups and conferences.

Matteo Emili is a Director of Software Engineering at Avanade UK and Ireland, leading the talent in Software Engineering and always looking at new ways of applying technology to solve business problems. He is a passionate Agile advocate and a tech... Show more

Courtney Yatteau is a Developer Advocate on Esri's Developer Experience Team, where she focuses on helping developers enhance web applications through a variety of tools, libraries, and technologies, including mapping solutions. Before Esri, Courtney worked in the secondary education field, teaching computer science and mathematics.

Courtney Yatteau is a Developer Advocate on Esri's Developer Experience Team, where she focuses on helping developers enhance web applications through a variety of tools, libraries, and technologies, including mapping solutions. Before Esri, Courtney... Show more

Working with Microsoft technologies since VB6 I've been there, and done that. These days I'm spreading the word for DeepL, working with third parties and customers using our API Product but also various community activities such as the WeAreDotnet portal and other things. Another thing I really enjoy doing is helping fellow developers in whatever way is good, mentoring or coaching, writing blog posts, building SDKs, and anything that helps make someone's work day a bit more enjoyable.

Working with Microsoft technologies since VB6 I've been there, and done that. These days I'm spreading the word for DeepL, working with third parties and customers using our API Product but also various community activities such as the WeAreDotnet po... Show more

Rory is a senior advocate for Datadog who has extensive experience with Cyber security and Cloud native computing. In addition to his work as a security reviewer and architect on containerization technologies like Kubernetes and Docker he has presented at Kubecon EU and NA, as well as a number of other cloud native and security conferences. He is one of the main authors of the CIS benchmarks for Docker and Kubernetes, a published author on the topic of Cloud Native Security and member of Kubernetes SIG-Security. When he's not working, Rory can generally be found out walking and enjoying the scenery of the Scottish highlands.

Rory is a senior advocate for Datadog who has extensive experience with Cyber security and Cloud native computing. In addition to his work as a security reviewer and architect on containerization technologies like Kubernetes and Docker he has present... Show more

Filip is the author of C# Smorgasbord and over 20 Pluralsight courses, speaker at events and user groups around the globe, Microsoft MVP for 11 years in a row. He loves teaching fellow developers how to master all things C# and .NET.

Filip is the author of C# Smorgasbord and over 20 Pluralsight courses, speaker at events and user groups around the globe, Microsoft MVP for 11 years in a row. He loves teaching fellow developers how to master all things C# and .NET. Show more

Bronwen is a developer based in Brisbane who likes to play with new technology. She is an organiser of DDD Brisbane, a Microsoft MVP and Regional Director, WTM Ambassador, Coralus (formally SheEO) activator and wildlife carer who loves to travel the world and take photos.

Bronwen is a developer based in Brisbane who likes to play with new technology. She is an organiser of DDD Brisbane, a Microsoft MVP and Regional Director, WTM Ambassador, Coralus (formally SheEO) activator and wildlife carer who loves to travel the... Show more

Jose is a Master of Electrical Engineering turned .NET Developer/Architect. DevExpress MVP, Big DevOps advocate and Xamarin Certified. Jose spends most of his time on training, consulting and development of Azure based solutions for enterprise customers. Passionate about performance, data access, application design and DevExpress products, specially XAF and XPO. He is also a tech speaker, blogger and is always pushing to grow the community. Blazor is his new crush.

Jose is a Master of Electrical Engineering turned .NET Developer/Architect. DevExpress MVP, Big DevOps advocate and Xamarin Certified. Jose spends most of his time on training, consulting and development of Azure based solutions for enterprise custom... Show more

20 years in tech, marketing and leadership roles. All about software delivery optimization. 5 years in technical and executive training. Expert in DevOps, Lean, Systems Thinking, Continuous Delivery, Cloud Native and Decentralized Systems. Coder, speaker, writer. Fixated on improving the ways humans collaborate by telling mind-provoking stories.

20 years in tech, marketing and leadership roles. All about software delivery optimization. 5 years in technical and executive training. Expert in DevOps, Lean, Systems Thinking, Continuous Delivery, Cloud Native and Decentralized Systems. Coder, sp... Show more

With 20 years of experience in web development, usability, and accessibility, Karl Groves is widely regarded as a pragmatic solution-finder and thought leader in the accessibility industry. In his role as accessibility consultant at AFixt, Karl focuses on pragmatic and efficient ways of improving the accessibility of websites and software.

With 20 years of experience in web development, usability, and accessibility, Karl Groves is widely regarded as a pragmatic solution-finder and thought leader in the accessibility industry. In his role as accessibility consultant at AFixt, Karl focus... Show more

Microsoft, Databricks (Spark) and Terraform (HashiCorp) certified consultant with over 15+ years’ technical experience.

Specialising in Business Intelligence, Azure Cloud and Power Platform, with extensive experience on delivering end-to-end cloud solutions across a wide range of industries.

I am a data, cloud & DevOps enthusiast with a passionate for automation and like sharing knowledge with the data community.

I enjoy running, swimming, football and learning new technologies.

Microsoft, Databricks (Spark) and Terraform (HashiCorp) certified consultant with over 15+ years’ technical experience. Specialising in Business Intelligence, Azure Cloud and Power Platform, with extensive experience on delivering end-to-end cloud... Show more

Loiane Groner is a Java Champion, Angular GDE, Microsoft MVP, Oracle ACE with over 18 years of experience and a Director at BNY. In her spare time, she loves contributing to the community, and she publishes tech videos on Youtube and creates free programming courses at https://loiane.training.

Loiane Groner is a Java Champion, Angular GDE, Microsoft MVP, Oracle ACE with over 18 years of experience and a Director at BNY. In her spare time, she loves contributing to the community, and she publishes tech videos on Youtube and creates free pro... Show more

Luce Carter is a proudly neurodiverse Microsoft MVP, Contentful Developer Hero, author and Developer Advocate for MongoDB, based in Manchester, England.

When not reading, playing squash, or learning something new, she speaks around the world at user groups and conferences on MongoDB, .NET, Mental Health and Productivity, creates YouTube videos, streams on Twitch occasionally and writes on her blog. Follow Luce on Twitter @LuceCarter1 and also her Blog at lucecarter.co.uk.

Luce Carter is a proudly neurodiverse Microsoft MVP, Contentful Developer Hero, author and Developer Advocate for MongoDB, based in Manchester, England. When not reading, playing squash, or learning something new, she speaks around the world at us... Show more

Jo is a DevRel Engineer at Deno. She is passionate about improving developer experience, teaching good use of JS and TS and building sparkly, wearable, internet connected tech. She mentors junior developers, advocates for mental health awareness and is devoted to improving the diversity and inclusivity of the tech industry.

Jo is a DevRel Engineer at Deno. She is passionate about improving developer experience, teaching good use of JS and TS and building sparkly, wearable, internet connected tech. She mentors junior developers, advocates for mental health awareness and ... Show more

Alex Dunn is the founder of Cephable - the platform that empowers people to control their digital world in ways that work best for them. He's also an inductee of The Game Awards Future Class, Forbes 30u30 in Boston, Microsoft MVP, and PubConf Champion. His background in accessibility, application development, and applied AI has leaned into enabling applications to do more for people and businesses using scalable architectures and design, distributed services, cloud infrastructure, and innovative edge technologies. Alex does his best to remain platform agnostic in his practices and development with specialties in C#, Kotlin, and TypeScript while building for cross-platform compatibility. You might find him speaking at all sorts of conferences and events around the world, streaming on Twitch, and on Pluralsight.

Outside technology, you can find him playing guitar, working with animal rescue, or exploring the great outdoors.

Alex Dunn is the founder of Cephable - the platform that empowers people to control their digital world in ways that work best for them. He's also an inductee of The Game Awards Future Class, Forbes 30u30 in Boston, Microsoft MVP, and PubConf Champio... Show more

Himanshu is a Full Stack Kotlin engineer and works as Android Engineer on the professional side. He is also a Google developer expert in Android and Kotlin. He is an active blogger, speaker, and content creator. He loves to mentor and share his knowledge to help people move into the development world!

Himanshu is a Full Stack Kotlin engineer and works as Android Engineer on the professional side. He is also a Google developer expert in Android and Kotlin. He is an active blogger, speaker, and content creator. He loves to mentor and share his knowl... Show more

ICT professional with range of skills. Strong customer service commitment with IT technical skills, honed through my educational background and prior experience as an IT assistant systems developer, software engineer, IT Intern and web developer.

ICT professional with range of skills. Strong customer service commitment with IT technical skills, honed through my educational background and prior experience as an IT assistant systems developer, software engineer, IT Intern and web developer. Show more

Karoliina is the Head of Modern Work at OP Financial Group, the largest financial services group in Finland. She has over ten years of experience in developing teamwork and internal communications with modern digital tools and leading long-term change in organisations. Karoliina is a Microsoft MVP and a multi-awarded role model for her enthusiasm, knowledge-sharing, and community leadership. She is an experienced and inspiring speaker at international conferences, and she co-organizes the Finnish M365 Copilot User Group and CollabDays Finland Conference 💜 Community rocks!

Karoliina is the Head of Modern Work at OP Financial Group, the largest financial services group in Finland. She has over ten years of experience in developing teamwork and internal communications with modern digital tools and leading long-term chang... Show more

Marvin Bangert works as a Cloud Architect at glueckkanja AG in Germany, is the organizer of the Power Platform User Group Cologne, speaker, blogger and Power Platform Community Contributor. Started many years ago with SharePoint Server On-Premises, for more than 7 years he has mainly been dealing with cloud topics related to Power Platform and Microsoft 365, in particular Modern Collaboration. With his broad expert knowledge of the various Microsoft products, he advises and accompanies customers in the introduction of a modern workplace.

Marvin Bangert works as a Cloud Architect at glueckkanja AG in Germany, is the organizer of the Power Platform User Group Cologne, speaker, blogger and Power Platform Community Contributor. Started many years ago with SharePoint Server On-Premises, f... Show more

Talia Kohan (Talia Nassi) is a Staff Developer Advocate at Postman, helping developers build, test, and scale APIs and AI-powered applications. A global keynote speaker, she works closely with the developer community to share best practices in modern software development and foster innovation through practical education and collaboration.

Talia Kohan (Talia Nassi) is a Staff Developer Advocate at Postman, helping developers build, test, and scale APIs and AI-powered applications. A global keynote speaker, she works closely with the developer community to share best practices in modern... Show more

Owner of a 2022 Workplace Wellness "Hot List" company, one of the top 10 Organizational Change Management Companies of 2022, named a top 100 HR Professional of 2020, and recently elected as the global psychological health and safety liaison for ISO, Dr. Allessandria Polizzi has 20 years of experience leading teams across multiple industries to unlock the potential in people and help organizations thrive. Following her own burnout in 2021, Dr. Al found the marketplace for practical solutions for leaders in crisis to be insufficient for her needs. She decided to reboot her consulting practice, Verdant Consulting, with a renewed focus on solving this issue in the hopes that future leaders would have better options. In addition, she has co-founded HR Wellbeing Week and Kite HR, which provide targeted programs that address the specific needs of HR teams. She also hosts the Be Verdant podcast, which shares the latest in resiliency and psychological safety from around the globe.

Owner of a 2022 Workplace Wellness "Hot List" company, one of the top 10 Organizational Change Management Companies of 2022, named a top 100 HR Professional of 2020, and recently elected as the global psychological health and safety liaison for ISO, ... Show more

🚀 Rodolfo is a leading figure in Microsoft Unified Communications technologies, with over 15 years of experience in the ecosystem, from the early days of OCS 2007 to the evolution of Microsoft Teams. His expertise has earned him the prestigious Microsoft MVP award 10 times and counting, solidifying his leadership and contributions to the tech community.

🌎 Passionate about knowledge sharing, Rodolfo is the founder of Teams User Group in Spanish and Microsoft Teams en Español, as well as co-founder and leader of the Get-CsLatam community, key spaces for idea exchange and the professional growth of UC specialists.

🏆 His global impact has been recognized as a UC All Star by UC Today, and he serves as a Board Officer in the Microsoft Global Community Initiative, representing Latin America in the development and strengthening of the community.

📝 On his blog https://steampunk.blog, he shares his expertise and the latest updates from the Unified Communications world, providing valuable content for the Spanish-speaking community. Additionally, alongside the Puppets365TV Gang, he creates dynamic content for YouTube, Instagram, and TikTok, taking tech education to new levels.

🚀 Rodolfo is a leading figure in Microsoft Unified Communications technologies, with over 15 years of experience in the ecosystem, from the early days of OCS 2007 to the evolution of Microsoft Teams. His expertise has earned him the prestigious Micr... Show more

Sohan is a Lead Developer Advocate at AuthZed, based in the Netherlands. He started his career as a developer building mobile apps and has been living in the cloud since 2013, in companies such as Amazon, Fermyon and Gupshup. He is also an O' Reilly author, having created a course on Cloud Concepts for Everyone. He has always been interested in emerging technologies and how it shapes the world around us.

His interests outside work include visual arts, trivia, and playing frisbee.

Sohan is a Lead Developer Advocate at AuthZed, based in the Netherlands. He started his career as a developer building mobile apps and has been living in the cloud since 2013, in companies such as Amazon, Fermyon and Gupshup. He is also an O' Reilly ... Show more