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

Jurgen is an experienced and enthusiastic IT architect at Luminis. In the last 20+ years he has accumulated a lot of knowledge and experience in IT. He likes to operate on the intersection of IT and the business, where his added value lies in translating the requirements of the business in technical solutions. He has a positive critical attitude during the process to achieve the most optimal result for each customer. Jurgen values the importance of knowledge sharing. He puts into practice by sharing his knowledge through the giving of training courses and workshops and organizing meetups.

Jurgen is an experienced and enthusiastic IT architect at Luminis. In the last 20+ years he has accumulated a lot of knowledge and experience in IT. He likes to operate on the intersection of IT and the business, where his added value lies in transla... Show more

Serge Luca (aka "Doctor Flow") has been 17 times MVP and is now a Business Apps MVP (Power Automates & Power Apps); he is based in Brussels (Belgium) where he works as a Power PLatform Solution architect; he has designed more than 16 Enterprise Flow projects. He is an international & Ignite speaker and a frequent blogger. Serge has executed several assignments for the Microsoft SharePoint team (Redmond) across the world and has worked for Microsoft Learning as a Subject Matter Expert in SharePoint and in Workflow Foundation. He has trained more than a thousand developers in SharePoint. He is also the author of the famous Master Class Microsoft Power Automate and Master Class PowerApps workshops and helped the Flow team creates the "Microsoft Power Automate in a day" workshop. He is the creator of the open-source Power Platform BPM Toolkit available on GitHub.Serge worked previously as a researcher for the University of Namur (Belgium) and is also a Microsoft (USA) contractor.

Serge Luca (aka "Doctor Flow") has been 17 times MVP and is now a Business Apps MVP (Power Automates & Power Apps); he is based in Brussels (Belgium) where he works as a Power PLatform Solution architect; he has designed more than 16 Enterprise Flow ... Show more

In addition to the many conference talks I have given online and around the globe, I am an Angular GDE, NX Champion, and a co-host on the Angular Plus Show where we talk about all things Angular and Angular adjacent. During the day, I am a Senior Software Engineering Technical Leader at Cisco working full time on a large enterprise Angular application using NgRx state management and leveraging Nx Monorepos. I am always energized by sharing my knowledge and being part of the software engineering community. I specialize in talking about cats and random facts but also love talking about software.

In addition to the many conference talks I have given online and around the globe, I am an Angular GDE, NX Champion, and a co-host on the Angular Plus Show where we talk about all things Angular and Angular adjacent. During the day, I am a Senior Sof... Show more

Milos Radivojevic is database consultant located in Vienna, Austria. He is Head of MSSQL Database Engineering at Entain. He is very active in the SQL Server community: he is co-founder of the SQL Pass Austria and speaks regularly at local and international database conferences. He is also co-author of three SQL Server books: Mastering SQL Server 2017, SQL Server 2017 Developer’s Guide and SQL Server 2016 Developer’s Guide.

Milos Radivojevic is database consultant located in Vienna, Austria. He is Head of MSSQL Database Engineering at Entain. He is very active in the SQL Server community: he is co-founder of the SQL Pass Austria and speaks regularly at local and interna... Show more

Danny Kruge is a Microsoft Data Plaform MVP with a robust background in SQL Server and over a decade of experience in the field. Originally from Leicester, England, and now residing in the Netherlands, he has dedicated years to honing his skills and expanding his expertise into areas like Azure and Windows Engineering. Danny is particularly passionate about Azure Data Factory, where he leverages his deep knowledge to design efficient data workflows. As an active community leader, he organizes the Azure Heroes Netherlands Community Day and the Azure user group NL, helping to foster knowledge-sharing and collaboration among tech enthusiasts. Committed to continuous learning and community support, Danny enjoys sharing his insights to help others navigate data challenges and avoid common mistakes.

Danny Kruge is a Microsoft Data Plaform MVP with a robust background in SQL Server and over a decade of experience in the field. Originally from Leicester, England, and now residing in the Netherlands, he has dedicated years to honing his skills and ... Show more

I'm making music from the data! Power BI and Microsoft Fabric addict, Microsoft Data Platform MVP, Pluralsight Author, O'Reilly Instructor, blogger, speaker...Interested in everything related to data - always eager to extract valuable info from raw data in the most effective way. Multi-year experience working with (predominantly) Microsoft Data Platform (SQL Server, SSAS, SSIS, SSRS, and Power BI). Father of 2 and true football (and Barca) fan!

I'm making music from the data! Power BI and Microsoft Fabric addict, Microsoft Data Platform MVP, Pluralsight Author, O'Reilly Instructor, blogger, speaker...Interested in everything related to data - always eager to extract valuable info from raw d... Show more

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

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

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

Jerry Nixon is a Microsoft SQL Server Principal Product Manager on the Developer Experiences team, championing Data API builder. With more than two decades of experience, Jerry is an engineer at heart. He teaches Computer Science at university and speaks at events worldwide. Over the years, he has trained thousands of developers, but today, he focuses on software simplicity, intuitive tooling, and excellence in data-driven apps. You'll find him talking about quantum computing, design patterns, machine learning, and—on occasion—SQL Server, the finest of them all. He lives in Colorado, and while most of his days revolve around Outlook, Visual Studio, and online Docs, what he enjoys most is teaching his three daughters Star Trek character backstories and episode plots.

Jerry Nixon is a Microsoft SQL Server Principal Product Manager on the Developer Experiences team, championing Data API builder. With more than two decades of experience, Jerry is an engineer at heart. He teaches Computer Science at university and sp... Show more

Ferdi Lethen-Oellers is a senior consultant in the area of Microsoft 365 and helps companies increase productivity in their everyday work. He likes to focus on the most important component in the process: people. Since the pandemic, Ferdi has been an avid jogger and regularly goes to soccer. Besides sports, his family is the most important thing to him. Ferdi is an expert on the topic of Microsoft 365 and is available for questions as well as consultations. Inquiries via mail to ferdi.lethen@outlook.de.

Ferdi Lethen-Oellers is a senior consultant in the area of Microsoft 365 and helps companies increase productivity in their everyday work. He likes to focus on the most important component in the process: people. Since the pandemic, Ferdi has been an... Show more

Sharon is the founder and CEO of Smarter Consulting, a business and technology consulting company. She founded her business to grow and diversify the technology resource pool. She has created a business based on diversity, inclusion, and opportunity.

As a Microsoft RD, MVP, MCT, and Productivity Expert, Sharon's background in Software Development, Business and Systems Analysis, Project Management, and Agile combined with her Developmental Psychology degree and Six Sigma Black Belt blend perfectly with her love of helping and training people to make her a well-rounded leader, consultant, and coach.

Solving both process and technical problems, Sharon has the unique ability to listen and uncover client pain points to develop a plan that will not only build the needed solutions but also drive change, adoption, and education in a way not typically seen from technical consultants.

Being part of the community is extremely important and she is an active leader, participant, and mentor. Sharon speaks professionally globally on subjects such as Microsoft 365, Business Analysis, Leadership, Teamwork, and Women in Technology. She is the founder and lead organizer of the Kansas City M365 User Group, CollabCon, and the Founding President of the Kansas City IIBA chapter.

When she's not working, Sharon watches tv and movies, reads, hangs out with her family, or is traveling somewhere interesting, most likely on a cruise ship out of the country with limited access to communication.

Sharon is the founder and CEO of Smarter Consulting, a business and technology consulting company. She founded her business to grow and diversify the technology resource pool. She has created a business based on diversity, inclusion, and opportunity.... Show more

I lead the Automation team at Advania UK and support organisations in creating technology experiences that shift the responsibility of tasks to technology and bridge the gap between data and decisions.

I lead the Automation team at Advania UK and support organisations in creating technology experiences that shift the responsibility of tasks to technology and bridge the gap between data and decisions. Show more

Elkhan is a cloud architect, tech trainer, and mentor with experience in Microsoft Azure, AWS, IBM Cloud, and enterprise healthcare systems.
He is an active Microsoft MVP and MCT Regional Lead, a member of the Microsoft Tech Community, and an Azure SME (Architecture, DevOps, Security) - who is leading the cloud and infrastructure group at T-REX Solutions.

He is a community speaker and has volunteered for local and global events; Global Azure, Cloud Lunch and Learn, Azure Back to School, Azure Spring Clean, Festive Tech Calendar, Give Camps, Azure Data Fest, SQL Saturdays, Cyber Back to School, Come cloud with Us, and others.

Over the years, Elkhan proudly contributed to Microsoft Azure, Security, and HL7 FHIR communities to advance data interoperability, secure design, and help communities move forward.

Elkhan is a cloud architect, tech trainer, and mentor with experience in Microsoft Azure, AWS, IBM Cloud, and enterprise healthcare systems. He is an active Microsoft MVP and MCT Regional Lead, a member of the Microsoft Tech Community, and an Azure ... Show more

Dan Bergh Johnsson works at the intersection of software craftsmanship and organisational change. With roots in high-performance development and a long-standing commitment to the philosophy of secure by design, he helps organisations build systems that are both technically sound and practically sustainable. His focus is on combining depth in software design with an understanding of how teams and structures evolve.

He is co-author of Secure by Design (Manning) and a contributor to 97 Things Every Programmer Should Know and LESS! Essays on Business Transformation. A long-time advocate of Domain-Driven Design and developer autonomy, he regularly speaks at international conferences about how to create systems and organisations that are resilient, sustainable, and secure.

Dan Bergh Johnsson works at the intersection of software craftsmanship and organisational change. With roots in high-performance development and a long-standing commitment to the philosophy of secure by design, he helps organisations build systems th... Show more

Microsoft Most Valuable Professional (MVP) in Data Platform for the last 9 years and MVP in AI.

Over 20 years of experience in business and technology working with organizations at various stages of digital transformations. Over the years, worked with several industry sectors including Retail, Banking, Minery, Oil & Gas, and Media/Entertainment. Also led several products and applications that have been in the cusp of data, strategy, technology, and business transformation. Passion for data , emerging technologies and new offerings enables clients to make fact-based decisions and drive actions in the market together.​

Provided recommendations and guidance on revamping Analytics and Reporting enterprise architecture for different companies in helping drive a Customer Data Exchange working closely with the C-Suite to help them design their New Data Services Organization with Data Products. Stood up new capabilities required to effectively operate and move toward Data Monetization using advanced Data consolidation and Data Sharing capabilities focusing on Privacy/Compliance and Data Governance

YouTube channel Power Mates: https://www.youtube.com/@PowerMatesMS

Microsoft Most Valuable Professional (MVP) in Data Platform for the last 9 years and MVP in AI. Over 20 years of experience in business and technology working with organizations at various stages of digital transformations. Over the years, worked ... Show more

Alex is an application development enthusiast since the late nineties and works as an architect, lead developer and mentor at large enterprises and small companies. He spends his time teaching other developers the details of the Microsoft development platform and frameworks, and coaches architects to design and build modern distributed applications at cloud scale. He has received the Microsoft Most Valuable Professional award for Visual Studio and Development Technologies since 2007. In his spare time Alex likes to participate in all kinds of sport, and loves playing and programming new and retro video games.

Alex is an application development enthusiast since the late nineties and works as an architect, lead developer and mentor at large enterprises and small companies. He spends his time teaching other developers the details of the Microsoft development... Show more

Microsoft Bizz Apps MVP and seasoned technology leader with over 16 years of global experience designing and delivering intelligent solutions across diverse industries. As an AI Solutions Specialist and Power Platform Architect, Alex has been at the forefront of integrating Cognitive Services, developing enterprise-grade chatbots and Copilot solutions, and driving automation through RPA and low-code platforms. His expertise spans cloud architecture on Azure and Microsoft 365, with a strong focus on empowering organizations through innovation, scalability, and user-centric design. A passionate advocate for digital transformation, Alex combines technical excellence with a deep understanding of business needs to create impactful solutions that bridge people and technology.

AI Solutions Specialist / Cognitive Services Integration / ChatBots / Copilot / Power Platform Architect / RPA / Cloud Architect / Azure / M365

Microsoft Bizz Apps MVP and seasoned technology leader with over 16 years of global experience designing and delivering intelligent solutions across diverse industries. As an AI Solutions Specialist and Power Platform Architect, Alex has been at the ... Show more

Aicha Laafia, a Java software engineer with a love for coding, an interest in sustainability, and a commitment to empowering women in tech.

I am a Women Techmakers and Girls Code ambassador, an IAmRemarkable facilitator, a member of the Moroccan Association of Computing Science and part of Jetbrains Community Contributor program.

I focus on creating software with minimal environmental impact while mentoring and supporting women in technology.

When I’m not coding, I enjoy exploring delicious food, phone photography, and watching Formula 1.

Aicha Laafia, a Java software engineer with a love for coding, an interest in sustainability, and a commitment to empowering women in tech. I am a Women Techmakers and Girls Code ambassador, an IAmRemarkable facilitator, a member of the Moroccan A... Show more

Michael Coté studies how large organizations improve how they build software to run and grow their business. His books Changing Mindsets, Monolithic Transformation, and The Business Bottleneck cover these topics. He’s been an industry analyst at RedMonk and 451 Research, done corporate strategy and M&A, and was a programmer. He also co-hosts several podcasts, including Software Defined Talk. His daily-ish newsletter is at newsletter.cote.io.

Michael Coté studies how large organizations improve how they build software to run and grow their business. His books Changing Mindsets, Monolithic Transformation, and The Business Bottleneck cover these topics. He’s been an industry analyst at RedM... Show more

Emanuel is a Microsoft MVP who loves to solve problems using code. Whether it's Infrastructure-as-Code, pipeline automation or cloud native platforms, with PowerShell, Bicep and C# as his tools of choice he soars through the clouds of Azure on a daily basis.

He works at Unwonted in Sweden as a Cloud Specialist, and blogs about Azure, PowerShell, .NET and various IT adventures on https://pipe.how. He enjoys open source, roasts his own coffee, plays D&D and sometimes combines his interests into quirky apps.

Maintainer of open source tools such as the PowerShell modules PSBicep, AzAuth and AzBobbyTables.

Emanuel is a Microsoft MVP who loves to solve problems using code. Whether it's Infrastructure-as-Code, pipeline automation or cloud native platforms, with PowerShell, Bicep and C# as his tools of choice he soars through the clouds of Azure on a dail... Show more

Isabelle Van Campenhoudt is a seasoned Microsoft Data Platform architect with thirteen years as an MVP in Data Platform, bringing over two decades of experience in data management. Based in Belgium, her expertise spans Business Intelligence and Database Administration.
Isabelle is a prolific trainer, speaker, and consultant, engaging with a diverse range of stakeholders including developers for BI solutions, architecture and performance design teams, infrastructure personnel, and business users. She has also served as a faculty member at EPHEC, Brussels, teaching in the Bachelor of Computer Science program.
An active contributor to the technical community, Isabelle co-founded the Global Francophone V-Chapter in 2015 and has held the vice presidency of the Club Power BI user group in Paris for multiple years. She organizes various professional gatherings such as meetups, master classes, Power Saturday, and other significant conferences.
Isabelle is a frequent guest speaker at international conferences, driven by her passion for knowledge sharing. Alongside fellow MVP Serge Luca, she co-founded Power Platform Associates, further solidifying her deep engagement with the entire Power Platform ecosystem.

Isabelle Van Campenhoudt is a seasoned Microsoft Data Platform architect with thirteen years as an MVP in Data Platform, bringing over two decades of experience in data management. Based in Belgium, her expertise spans Business Intelligence and Datab... Show more

Scott is currently a principal consultant with RapidData focusing on the Azure Data Platform, Integration Engineering and Analytics.
Previously, he was a a senior consultant and UK&I Databricks SME at Avanade.

He has a master degree in Computer Science with a specialism on Secure Machine Learning in the Cloud.

He is passionate about all things data, AI, Rugby League, Beer, R and Azure

Scott is currently a principal consultant with RapidData focusing on the Azure Data Platform, Integration Engineering and Analytics. Previously, he was a a senior consultant and UK&I Databricks SME at Avanade. He has a master degree in Computer... Show more

Paul (AKA @mrpaulandrew) is the Co-Founder & CTO of Cloud Formations, a specialist data consultancy based in the UK. With nearly 20 years’ experience designing and delivering Microsoft data architectures, Paul leads a passionate team of engineers, supporting businesses small and large with scalable cloud platforms. Business value delivered through data insights. Over the years, Paul has covered the breadth and depth of design patterns and industry leading concepts, including Lambda, Kappa, Delta Lake, Data Mesh and Data Fabric.

Paul is also a Microsoft Data Platform MVP, director for the Data Relay community conference, East Midlands user group leader, book author and mentor. In addition to the day job(s), Paul is a father of three, husband, foodie, runner, blood donor, geek, Lego, and Star Wars fan! Lastly, Paul confesses to enjoying a Ramstein playlist when given half a chance to do some coding for a customer project.

Paul (AKA @mrpaulandrew) is the Co-Founder & CTO of Cloud Formations, a specialist data consultancy based in the UK. With nearly 20 years’ experience designing and delivering Microsoft data architectures, Paul leads a passionate team of engineers, su... Show more

Konstantinos is a passionate IT professional and Microsoft Certified Trainer with over two decades of experience in crafting and deploying comprehensive IT solutions. His expertise lies in Microsoft technologies, evident in his Microsoft Azure MVP status. As a Cloud Solutions Architect, he specializes in designing enterprise architectures for cloud environments, including Azure, M365, and hybrid/multi-cloud solutions. Konstantinos is a lifelong learner, continually expanding his knowledge and certifications across various vendors, primarily Microsoft. He is a dedicated community leader and advocate, spearheading knowledge-sharing initiatives through his Microsoft Tech Group, live sessions, and blog posts.

Konstantinos is a passionate IT professional and Microsoft Certified Trainer with over two decades of experience in crafting and deploying comprehensive IT solutions. His expertise lies in Microsoft technologies, evident in his Microsoft Azure MVP st... Show more

Ingeniero Técnico Informático de Sistemas por la Universidad Pontificia de Salamanca, Solutions Cloud Architect en Encamina, he sido MVP de Microsoft durante 4 años en la categoría de Visual Studio and Development Technologies y actualmente en la categoría de Microsoft Azure. Poseo varias certificaciones de Microsoft y me mola mucho Azure. Llevo más de 20 años utilizando y desarrollando con productos de Microsoft. Me encanta participar en proyectos que tengan que ver con la nube porque para mí no es el futuro, es el presente de la tecnología. Soy fan de las Apis, de los servicios WCF y de todo lo que huela a backend

Ingeniero Técnico Informático de Sistemas por la Universidad Pontificia de Salamanca, Solutions Cloud Architect en Encamina, he sido MVP de Microsoft durante 4 años en la categoría de Visual Studio and Development Technologies y actualmente en la cat... Show more

Drago Petrovic is a Microsoft 365 Apps and Services MVP, Book Co-author, is recognized as one of the Top Swiss Teams, Exchange and Microsoft 365 influencers.
Being an IT professional for more than 18 years and heading Teams voice and Microsoft Exchange projects with more than 150K Mailboxes, or Cloud (O365) Projects for some of the leading Pharma, Insurance and Energy industries, has accelerated his skills exponentially.
Drago also runs his Microsoft Blog www.msb365.blog and writes guest articles on www.practical365.com and www.techgenix.com about Microsoft Teams, Microsoft Exchange and Microsoft 365. Currently, he is very active with his www.mvp.taxi and Microsoft 365 Podcast Project.
Microsoft has awarded Drago with the MVP (Most Valuable Professional) award in recognition for his Community work.

Drago Petrovic is a Microsoft 365 Apps and Services MVP, Book Co-author, is recognized as one of the Top Swiss Teams, Exchange and Microsoft 365 influencers. Being an IT professional for more than 18 years and heading Teams voice and Microsoft Excha... Show more

Hey, my name is Saeed. I am a Senior Software Engineer and Microsoft MVP living in Leeds. My focus is mainly on the .NET ecosystem with +9 years of experience. I am very passionate about new technologies and like to share and gain knowledge. I like to contribute to Open Source Projects and I am also a member of the .NET Foundation group.
I worked in different domains from Banking, VOD platforms, and also in the security area.
I also had the chance to lead developer teams.

Hey, my name is Saeed. I am a Senior Software Engineer and Microsoft MVP living in Leeds. My focus is mainly on the .NET ecosystem with +9 years of experience. I am very passionate about new technologies and like to share and gain knowledge. I like t... Show more

Michael Greth is a passionate tech enthusiast and long-standing contributor to the digital workplace and AI community. As a freelance consultant, speaker, and trainer, he focuses on Microsoft Copilot, AI, Microsoft 365, enterprise video with Microsoft Stream/Clipchamp and naturally, SharePoint, which has been at the heart of his work for decades.

Michael has been producing video content and live events for many years, sharing insights across YouTube and other platforms. A true podcast pioneer, he launched sharepointpodcast.de back in 2005 and now hosts yourcopilot.de, diving into the latest trends in Microsoft 365 Copilot, AI and productivity.

In recognition of his deep expertise and tireless community engagement, Michael has been awarded the Microsoft MVP title ffor an impressive 26 consecutive years currently for or Microsoft Copilot & Clipchamp.

Michael Greth is a passionate tech enthusiast and long-standing contributor to the digital workplace and AI community. As a freelance consultant, speaker, and trainer, he focuses on Microsoft Copilot, AI, Microsoft 365, enterprise video with Microsof... Show more

Being in IT business as a specialist for Linux, Martin Klier has been involved in the administration of Oracle Databases for about twenty years now. The integration of large Oracle-based high-availability solutions (MAA) with RAC and Data Guard were the first challenges. In the last years, he largely moved into performance analysis and tuning of complex systems with dynamically changing load profiles.
Skeptical needs assessments, thorough architecture planning, decent system sizing, critical benchmarking and experienced load-focused system analysis are Martin’s formula to success in avoiding production downtime.
For years now, Martin can be found speaking on topics regarding “Oracle Core, Performance and High Availability” on various national and international conferences, like COLLABROATE (IOUG), Oracle Cloud World, UTOUG, ECO, POUG or DOAG Konferenz.
Martin frequently blogs about recent issues and their solutions at http://www.usn-it.de and is known on BlueSky as @MartinKlierDBA.
Martin works a lot for the community, especially for the German Oracle Database Community “ora2know”, the Linux User Group Mitterteich, is an Oracle ACE Director (Database) and proud member of Symposium42.

Being in IT business as a specialist for Linux, Martin Klier has been involved in the administration of Oracle Databases for about twenty years now. The integration of large Oracle-based high-availability solutions (MAA) with RAC and Data Guard were ... Show more

Craig Jahnke is a Principal Solutions Engineer with deep expertise in Microsoft 365, AI, and modern workplace transformation. With years of experience helping organizations leverage technology to drive efficiency and innovation, Craig focuses on practical strategies for adopting AI responsibly and at scale.

He is passionate about empowering businesses to modernize processes, enhance employee experience, and unlock new opportunities through tools like Copilot and Power Platform. Craig frequently speaks on topics such as AI workloads, automation, and digital transformation, and is actively involved in the Chicago Power Platform User Group.

Beyond his professional role, Craig co-hosts the podcast AI for Average Intelligence, where he explores how individuals and organizations can use AI to solve real-world problems creatively. His mission is to make advanced technology accessible and impactful for everyone.

Craig Jahnke is a Principal Solutions Engineer with deep expertise in Microsoft 365, AI, and modern workplace transformation. With years of experience helping organizations leverage technology to drive efficiency and innovation, Craig focuses on prac... Show more