Certified AI Wrangler, Oracle ACE Associate, Microsoft MVP, Docker Captain and passionate Java developer. Johannes builds modern applications with Vaadin, Spring, Quarkus, Kubernetes, and Langchain4j, often exploring AI integration. Public speaker, Live-Coder and open-source enthusiast. Proud husband and father of three.

Certified AI Wrangler, Oracle ACE Associate, Microsoft MVP, Docker Captain and passionate Java developer. Johannes builds modern applications with Vaadin, Spring, Quarkus, Kubernetes, and Langchain4j, often exploring AI integration. Public speaker, L... Show more

Andrej Pashchenko started his IT career in the early 1990s and has been working with Oracle Database since 1999. Over the past 15 years, he has focused on consulting, supporting customer projects in the areas of data warehousing, data modeling, ETL, and SQL performance. He has been actively sharing his knowledge since 2011 through blogging, speaking at international conferences, and teaching, helping others get the best out of Oracle Database. For his technical expertise and his long-standing commitment to knowledge sharing, Oracle has recognized him as an Oracle ACE Pro.

Andrej Pashchenko started his IT career in the early 1990s and has been working with Oracle Database since 1999. Over the past 15 years, he has focused on consulting, supporting customer projects in the areas of data warehousing, data modeling, ETL, ... Show more

As David gradually winds down his career and looks toward retirement, now is the time to benefit from his experience, insight, and availability.

David McCarter is an exceptionally seasoned software engineer, a celebrated author, and a captivating speaker with a remarkable track record spanning more than two decades in the industry. Holding the distinguished title of Microsoft MVP (Most Valuable Professional), David also serves as a solutions architect, Code Quality Zar, consultant, proficient code reviewer, and the esteemed editor-in-chief of dotNetTips.com.

Renowned for his prolific literary contributions, David has graced programming magazines with his insightful articles and penned several illuminating books, including "Rock Your Code: Coding Standards for Microsoft .NET," "Rock Your Code: Code and App Performance for Microsoft .NET," and "Rock Your Career: Surviving the Technical Interview."

David commands a powerful presence on the speaking circuit, captivating audiences with his engaging and insightful talks on programming and technical interviewing—all delivered with his signature rock-and-roll flair.

He has left an indelible mark on user groups, educational institutions, and prominent conferences worldwide, such as BuildStuff, Øredev, NDC, Copenhagen Developers Festival, Code Camp, SQL Saturday, DevConnections, and VSLive, among others. His instructional legacy even includes a tenure at the University of California, San Diego.

Presently, he steers his own software consulting enterprise, McCarter Consulting, further solidifying his esteemed status within the field.

Notably, David is the Co-founder and Director of the San Diego .NET Developers Group—a role that earned him the prestigious INETA Community Excellence Award in recognition of his outstanding contributions to the .NET community. He also holds the distinction of being a U.S. patent holder, with his software printing system officially approved by the U.S. Patent Office in May 2008.

In totality, David stands as a multifaceted professional, an abundant reservoir of wisdom and proficiency across the spheres of software engineering, literary pursuits, and public speaking.

Microsoft MVP profile is located at: http://bit.ly/davidmvp
GitHub repo is located at: https://github.com/RealDotNetDave
NuGet packages are located at: https://www.nuget.org/profiles/davidmccarter

You can also connect with David on these social media platforms:
BlueSky: https://bsky.app/profile/dotnetdave.bsky.social
Facebook: https://www.facebook.com/DotNetArmy
LinkedIn: https://www.linkedin.com/in/davidmccarter/

As David gradually winds down his career and looks toward retirement, now is the time to benefit from his experience, insight, and availability. David McCarter is an exceptionally seasoned software engineer, a celebrated author, and a captivating ... Show more

Power Platform Solution Architect, Microsoft MVP for Business Applications, Microsoft Certified Trainer (MCT), 11x Microsoft certified, published LinkedIn Learning instructor, public speaker, Power Platform Community High Five user group founder, On Air in the Cloud podcast host, blogger, and mentor.

Versatile solution architect with over 25 years' international experience of leading and developing software solutions in permanent and contract roles for sectors including finance, legal, manufacturing, construction, game development, retail, healthcare, travel, and charity.

Find me online: https://linktr.ee/keithatherton

Power Platform Solution Architect, Microsoft MVP for Business Applications, Microsoft Certified Trainer (MCT), 11x Microsoft certified, published LinkedIn Learning instructor, public speaker, Power Platform Community High Five user group founder, On ... Show more

François Martin is a senior full-stack software engineer at Karakun AG in Switzerland, passionate about building high-quality applications. He co-authored the open-source JavaFX frameworks WorkbenchFX and PreferencesFX, and organizes Basel's Hackergarten to help developers get involved with open-source projects.

François is an Oracle ACE Associate and co-authored the ISTQB Test Analyst v4.0 syllabus. He is also part of the content committees for the BaselOne and DevBcn conferences.

François has given more than 65 talks, workshops, and mentoring sessions across 14 countries. He has spoken at major international conferences such as WeAreDevelopers World Congress, JavaZone, NDC Oslo, Jfokus, KCDC, Devnexus, and Devoxx Greece. He regularly shares practical insights to inspire developers and help teams build better software.

François Martin is a senior full-stack software engineer at Karakun AG in Switzerland, passionate about building high-quality applications. He co-authored the open-source JavaFX frameworks WorkbenchFX and PreferencesFX, and organizes Basel's Hackerga... Show more

John's experience leading large technical teams in complex environments has made him a global expert in performance and scalability. John speaks at conferences around the world on database strategy and topics related to performance tuning, development, and cloud computing. He is a Microsoft Certified Trainer, and former Microsoft MVP. He is the principal consultant and founder at Procure SQL.

John's experience leading large technical teams in complex environments has made him a global expert in performance and scalability. John speaks at conferences around the world on database strategy and topics related to performance tuning, developmen... Show more

Laurent is a senior Microsoft 365 consultant and governance-oriented architect, focused on Modern Workplace, Microsoft 365 Copilot, Copilot agents at scale.

He works with organizations that want to move fast with Copilot and agents — without losing control. His daily work revolves around designing clear governance frameworks for Copilot usage, agent lifecycle management, data exposure control, licensing strategy, and tenant-wide Modern Workplace governance.

With a strong ability to bridge IT, security, and business teams, he specializes in turning innovation into structured, secure, and sustainable deployments — going far beyond demos and POCs.

Strongly advocating a human-first but governance-driven approach, Laurent believes Modern workplace and AI success is not about features, but about decision clarity, guardrails, and shared responsibility across the organization.

As a Microsoft MVP, he regularly shares pragmatic, no‑nonsense insights on Copilot governance, agents strategy, and Modern Workplace governance at international conferences and user groups, speaking French, English, and Japanese.

Laurent is a senior Microsoft 365 consultant and governance-oriented architect, focused on Modern Workplace, Microsoft 365 Copilot, Copilot agents at scale. He works with organizations that want to move fast with Copilot and agents — without losin... Show more

code witch | she/they | Microsoft MVP | speaker | leo y (a veces) escribo cosas | in my bookworm era

code witch | she/they | Microsoft MVP | speaker | leo y (a veces) escribo cosas | in my bookworm era Show more

International Speaker, JavaChampion, Cofounder of JBCNConf and DevBcn conferences in Barcelona, and AI4Devs conference in Amsterdam.

Working as a Principal AI Development Enabler at GK Software, taking care of the AI Adoption with best practices and tooling and helping the company as the Engineering Excellence Lead.

Formerly Senior Staff Developer Advocate in Java at Sonar (SonarQube), focused on Code Quality, Dev Productivity, AI & Security.

I have worked as a (paid) developer for more than 30 years ago using multiple languajes, but for the last 15 using Java. Although I started when I was 14 with my Amstrad CPC 6128 :)

I am very interested in simulated reality, psychology, philosophy, critical thinking, AI and Java.

International Speaker, JavaChampion, Cofounder of JBCNConf and DevBcn conferences in Barcelona, and AI4Devs conference in Amsterdam. Working as a Principal AI Development Enabler at GK Software, taking care of the AI Adoption with best practices a... Show more

Augustin is an Analytics Architect, Microsoft Certified Trainer, Speaker, and Power Platform User Group Stuttgart founder and leader.
Working as a CoE lead and a Solution Architect with the main focus on the Power BI platform and Data Governance.
Working with Power BI since the public preview version, and delivered multiple large-scale enterprise analytics projects for Fortune 500 companies. Passionate about data culture and governance.

Augustin is an Analytics Architect, Microsoft Certified Trainer, Speaker, and Power Platform User Group Stuttgart founder and leader. Working as a CoE lead and a Solution Architect with the main focus on the Power BI platform and Data Governance. ... Show more

Passionate about computers for several years now, I decided to do more than just a hobby: my job. After a 5-year course at the Exia.cesi in Strasbourg allowing me to access a diploma in Information Systems Manager, I am now a Cloud Solution Architect within Hager Group, industrial specialist in electrical protection for individuals and homes.

This privileged framework allows me to apply my knowledge of analysis, design and development in Microsoft technologies for which I have a great preference. The web and mobility are topics that I particularly like (ASP.NET, AngularJS, Azure, Web API, Universal Windows App, Windows Phone ...), but I also strive to stay in touch with new technologies (IoT , Xamarin, Cordova, virtual reality / augmented ...) and constantly upgrade myself regarding the latest development techniques.

Passionate about computers for several years now, I decided to do more than just a hobby: my job. After a 5-year course at the Exia.cesi in Strasbourg allowing me to access a diploma in Information Systems Manager, I am now a Cloud Solution Architect... Show more

My aim is to guide self-service Power BI developers for more enterprise manageable concepts in a consumable and practical way - because I have been on that journey for years, and still is..

Microsoft Data Platform MVP, MCT, Certified Tabular Editor 3 Trainer, DP-600, DP-700, PL-300, CPUX-F, PL-900, Databricks Data Analyst

My aim is to guide self-service Power BI developers for more enterprise manageable concepts in a consumable and practical way - because I have been on that journey for years, and still is.. Microsoft Data Platform MVP, MCT, Certified Tabular Edit... Show more

Gregor Reimling is a Microsoft MVP in Azure and Security, and Chief Azure Technologist at adesso SE. He leads technical strategy and implementation for Azure, focusing on enterprise-scale architectures, cloud security, governance, hybrid environments, and migration.
Gregor is a passionate community advocate, regularly speaking at international Microsoft and community conferences. He runs a popular Azure blog and co-hosts the Cloud Inspires podcast. He is the founder of the Azure Bonn Meetup, a thriving user group with over 1,000 members, and co-founder of the Cloud Identity Summit, an annual event focused on identity and security.
As a Microsoft Certified Trainer, Gregor empowers professionals through hands-on training and mentorship, helping organisations maximise their cloud potential.

Gregor Reimling is a Microsoft MVP in Azure and Security, and Chief Azure Technologist at adesso SE. He leads technical strategy and implementation for Azure, focusing on enterprise-scale architectures, cloud security, governance, hybrid environments... Show more

Trabajo como profesional de nivel C, líder técnico y desarrollador senior con más de 15 años de experiencia en el desarrollo de aplicaciones web y APIs (REST) utilizando Node.js, React, AWS, PHP y Python para diversas organizaciones y marcas locales. Mi enfoque se centra en la creación de soluciones escalables y en la implementación de las mejores prácticas. Tengo habilidades con numerosas pasarelas de pago, incluyendo Niubiz, Culqui, Stripe, Payu y Mercado Pago, y soy un desarrollador certificado en cada una de ellas. Además, cuento con certificaciones en Metodologías Ágiles (SDC y SMC) y tengo una maestría en gestión de proyectos (PMI).

En la actualidad, estoy trabajando en el desarrollo de soluciones OTT personalizadas utilizando AWS MediaLive y MediaConnect, integrando plataformas de comercio electrónico con soluciones ERP personalizadas como Odoo y Genesys, y construyendo sitios de alto tráfico utilizando varios proveedores de servicios en la nube como AWS (Cloud Practitioner y Cloud Architect) y GCP. Uno de mis logros más destacados fue entregar con éxito transmisiones en vivo para 350,000 usuarios concurrentes en un evento global.

Trabajo como profesional de nivel C, líder técnico y desarrollador senior con más de 15 años de experiencia en el desarrollo de aplicaciones web y APIs (REST) utilizando Node.js, React, AWS, PHP y Python para diversas organizaciones y marcas locales.... Show more

Vincent Caldeira, Red Hat APAC CTO and Industry Visiting Scholar at Columbia University, drives tech strategy and emerging engineering. A Top 10 APAC CTO (2023) with 20+ years in finance IT, he is an authority on open source, cloud-native technologies and AI. Vincent holds leadership roles across the Linux Foundation (FINOS, LF AI & Data) and GSF, championing AI safety, sustainability, and digital sovereignty.

Vincent Caldeira, Red Hat APAC CTO and Industry Visiting Scholar at Columbia University, drives tech strategy and emerging engineering. A Top 10 APAC CTO (2023) with 20+ years in finance IT, he is an authority on open source, cloud-native technologie... Show more

Sam Nasr has been a software developer since 1995, focusing mostly on Microsoft AI Stack of technologies. He’s a Sr. Software Engineer with NIS Technologies where he consults and teaches clients about the latest .NET technologies. Sam has achieved multiple certifications from Microsoft (MCSA, MCAD, MCTS, MCT), and is the leader of the Cleveland C# since 2003. In addition, he’s the leader of the .NET Study Group, Azure Cleveland User Group, an author for Visual Studio Magazine, LinkedIn Learning, and a 8x Microsoft MVP. When not coding, Sam loves spending time with his family and friends or volunteering at his local church. You can learn more about Sam by visiting https://linktr.ee/SamNasr.

Sam Nasr has been a software developer since 1995, focusing mostly on Microsoft AI Stack of technologies. He’s a Sr. Software Engineer with NIS Technologies where he consults and teaches clients about the latest .NET technologies. Sam has achieved ... Show more

Peter started his career as a full-stack software developer in 2002 and has since progressed to a lead architect role. Over the course of these 20+ years, he has fulfilled many roles in various industries and gained extensive experience with a wide range of technologies such as Java, C#, JavaScript, and others. Nowadays, he leverages his expertise to assist companies, write articles, and speak at conferences.

His main focus is on making software development more cost-effective and future-proofing applications. Additionally, he has picked up making illustrations as a hobby because he is a strong believer in visual communication. There are no boring slides in any of his presentations.

Peter started his career as a full-stack software developer in 2002 and has since progressed to a lead architect role. Over the course of these 20+ years, he has fulfilled many roles in various industries and gained extensive experience with a wide r... Show more

I help teams release faster and with more confidence — through open standards, feature flagging, and the communities that make both possible.

I am a software engineer and CNCF Ambassador based in Austria, and a maintainer of OpenFeature — the CNCF vendor-neutral standard for feature flagging. I contribute across the full organisation in Java, Python, Go, and JavaScript, spanning the open standard itself, testing automation across a polyglot environment, and guiding teams and individuals in adopting OpenFeature in production.

I am passionate about developer experience, open standards, and building communities where people help each other grow. I regularly speak at conferences and mentor individuals taking their first steps in the open source world.

Open to conversations about open source, feature flagging, observability, and what comes next.

I help teams release faster and with more confidence — through open standards, feature flagging, and the communities that make both possible. I am a software engineer and CNCF Ambassador based in Austria, and a maintainer of OpenFeature — the CNCF... Show more

A professional developer for over 20 years, based in Macclesfield.

For the past 10+ years I have been heavily involved in mobile development, and have utilised both Native code (Swift, Kotlin, Objective-C, Java) and Cross-Platform app development systems including Xamarin, .NET MAUI, Uno Platform and Cordova on different projects.

A constant in my journey has been the use of C# / .NET. I also do web development work, and I am equally happy working front-end in HTML, CSS and JavaScript.

Microsoft MVP. Co-organiser of Dot Net North and Macc Tech.

Regular speaker and presenter.

A professional developer for over 20 years, based in Macclesfield. For the past 10+ years I have been heavily involved in mobile development, and have utilised both Native code (Swift, Kotlin, Objective-C, Java) and Cross-Platform app development... Show more

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

I'm Ivan Pesenti. A passionate gopher who has been working in the software industry since 2014.

I'm a software engineer focused on server-side programming. Throughout my career, I've always been accompanied by two obsessions: testing and writing secure code. I consider myself a detail-oriented person.

My career took a turning point in 2021 when the Go programming language crossed my path. Since then, I've fallen in love with it.

I believe in empathy, kindness, mutual help, growth, determination, and trust. These values have led me to give back to the community through speaking, coaching, writing, and more. Helping others is one of the most satisfying experiences I've ever had.

During my free time, I train my body, play football, watch anime, and hang out with family and friends.

One of my favorite quotes is: "Hard work beats talent."

I'm Ivan Pesenti. A passionate gopher who has been working in the software industry since 2014. I'm a software engineer focused on server-side programming. Throughout my career, I've always been accompanied by two obsessions: testing and writing s... Show more

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

Balkrishna works as an engineering lead at ING Bank. He is a frequent speaker at renowned tech conferences. He has passion for continuous learning and genuine desire to sharing knowledge. Although he has been working with Java for many years, he find... Show more

Mary is a Technical Solutions Architect and Advocate in the Emerging Technology area. She started as an engineer in Unix/C, then transitioned to Java around 2000 and has never looked back since then. After 20+ years of being a software engineer and technical architect, she discovered her true passion in developer and customer advocacy. Most recently she has serviced companies of various sizes such as IBM, US Cellular, Bank of America, Chicago Mercantile Exchange, in topic areas that included Java, GenAI, Streaming systems, Open source, Cloud and Distributed messaging systems. She is also a very active tech community leader outside of her day job. She is the President of the Chicago Java Users Group (CJUG), and the Chicago Organizer of the AI Collective Chicago Chapter.

Mary is a Technical Solutions Architect and Advocate in the Emerging Technology area. She started as an engineer in Unix/C, then transitioned to Java around 2000 and has never looked back since then. After 20+ years of being a software engineer and... Show more

Prerit is a Cloud-Native Platform Leader with extensive experience designing and scaling secure, resilient cloud infrastructures. As the former CTO of KubeCloud, he built no-code solutions bridging Cloud, DevOps, and SRE, leading the company to a successful acquisition. Currently, he drives cloud-native, observability, CI/CD, and AI initiatives as a technical leader at Groupon.

Prerit is a Cloud-Native Platform Leader with extensive experience designing and scaling secure, resilient cloud infrastructures. As the former CTO of KubeCloud, he built no-code solutions bridging Cloud, DevOps, and SRE, leading the company to a suc... Show more

I am an a Microsoft MVP and workplace architect who specializes in Intune and modern workplace solutions for medium to large enterprises. Passionate about learning and sharing knowledge, Speaks at conferences around the world, aiming to deliver sessions that inspire and encourage meaningful discussions. Outside of work, rocks out to the favorite bands and crushes functional fitness challenges—because who says IT pros can’t be hardcore in every sense?

I am an a Microsoft MVP and workplace architect who specializes in Intune and modern workplace solutions for medium to large enterprises. Passionate about learning and sharing knowledge, Speaks at conferences around the world, aiming to deliver sessi... Show more

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

Sumaiya Nalukwago is an experienced IT Professional currently working with Mbarara University of Science and Technology and Tech Community Lead with over six years of proven success in leveraging technology to drive economic development and nurture innovation across Uganda and beyond.

A recognized voice in the continental tech landscape, Sumaiya has been a dedicated volunteer for PyCon Uganda since its inception and has spoken at major international conferences in Asia, Italy, Germany, Kenya, Rwanda among others. This experience underscores her deep commitment to the open-source movement and her ability to engage diverse global audiences.

As a Community Manager for Google Developer Groups Cloud Mbarara and an Ambassador for Google Women Techmakers (with Technovation), Sumaiya actively skills and mentors thousands of youth and women entrepreneurs in digital literacy, business development, and tech-solution design. She specializes in translating complex technological concepts into accessible, actionable skills, enabling grassroots enterprises to thrive in the digital economy and confidently bridge the digital skills gap.
Sumaiya has also been internationally recognized for her work in tech by the US embassy in Uganda, Women Tech Global Network , Pulse Influencer Awards - Tech category among other platforms,

Sumaiya Nalukwago is an experienced IT Professional currently working with Mbarara University of Science and Technology and Tech Community Lead with over six years of proven success in leveraging technology to drive economic development and nurture... Show more

Haniel Croitoru is an accomplished Enterprise Architect at Protiviti and Microsoft MVP with over 20 years of experience in Microsoft 365. Since 2003, Haniel has been dedicated to delivering solutions that meet both short-term and long-term business goals using Microsoft 365 workloads, such as Power Platform, SharePoint, Teams, and more. As a leader in the global Protiviti Power Platform practice, Haniel created a Center of Excellence that nurtures an internal team of architects and developers, serving a global clientele across various sectors.

Haniel's commitment to knowledge sharing and community contribution is evident through his active participation in conferences and networking events, where he shares his expertise in modern workplace transformation and optimizing business processes using the Power Platform, coupled with insights into artificial intelligence applications. He has recently made a significant contribution with the publication of "Agile Office 365," a book that explores the application of agile project management methodologies to Office 365 implementations.

In the early stages of his career, Haniel was instrumental in the medical imaging field, notably as a core team member in the orthopedic software division at Merge Healthcare (now part of IBM). During this time, he published four patents and numerous scholarly articles, showcasing a strong foundation in innovation and industry expertise. Haniel holds a Master of Science in Computer Science with a specialty in Computer-Assisted Orthopedic Surgery from Queen’s University and a Master’s Certificate in Project Management from the York Schulich School of Business.

Haniel Croitoru is an accomplished Enterprise Architect at Protiviti and Microsoft MVP with over 20 years of experience in Microsoft 365. Since 2003, Haniel has been dedicated to delivering solutions that meet both short-term and long-term business g... Show more

Hi! I'm David. Sometimes a speaker, sometimes a listener, and always interested in web technologies. I work on complex projects involving anything related to API's & AI. I am Microsoft MVP in Foundry

Also, I am a co-organizer of GDG Ponferrada and Global AI Ponferrada.

Hi! I'm David. Sometimes a speaker, sometimes a listener, and always interested in web technologies. I work on complex projects involving anything related to API's & AI. I am Microsoft MVP in Foundry Also, I am a co-organizer of GDG Ponferrada and... Show more

Ludovico, born as a Full Stack Developer, discovered his true passion for quality later in his career. With a background in Full Stack Development, he possessed a strong technical foundation and a deep understanding of software systems.
As an Automation and Open Source enthusiast, Ludovico recognized the power of efficient and reliable testing methodologies. He understood the importance of ensuring that software products met the highest standards of performance, functionality, and user experience. He works as a QA Lead.

Ludovico, born as a Full Stack Developer, discovered his true passion for quality later in his career. With a background in Full Stack Development, he possessed a strong technical foundation and a deep understanding of software systems. As an Automa... Show more